Home / 2,420.37-3,340.20-1,358.14

Finding the Fourth Proportional to 2,420.37, 3,340.20 and 1,358.14

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Solution

The fourth proportional to 2,420.37, 3,340.20 and 1,358.14 is: 1,874.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.37 : 3,340.20 = 1,358.14 : x
  2. Step 2: Convert to fraction form
    2,420.37/3,340.20 = 1,358.14/x
  3. Step 3: Cross multiply
    2,420.37x = 3,340.20 × 1,358.14
  4. Step 4: Simplify right side
    2,420.37x = 4,536,459.23
  5. Step 5: Solve for x
    x = 4,536,459.23/2,420.37
  6. Step 6: Final answer
    x = 1,874.28

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,421.37, 3,341.58 and 1,359.14
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.