Home / 2,420.44-3,340.36-1,358.30

Finding the Fourth Proportional to 2,420.44, 3,340.36 and 1,358.30

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Solution

The fourth proportional to 2,420.44, 3,340.36 and 1,358.30 is: 1,874.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.44 : 3,340.36 = 1,358.30 : x
  2. Step 2: Convert to fraction form
    2,420.44/3,340.36 = 1,358.30/x
  3. Step 3: Cross multiply
    2,420.44x = 3,340.36 × 1,358.30
  4. Step 4: Simplify right side
    2,420.44x = 4,537,210.99
  5. Step 5: Solve for x
    x = 4,537,210.99/2,420.44
  6. Step 6: Final answer
    x = 1,874.54

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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.