Home / 2,421.34-3,341.18-1,358.96

Finding the Fourth Proportional to 2,421.34, 3,341.18 and 1,358.96

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Solution

The fourth proportional to 2,421.34, 3,341.18 and 1,358.96 is: 1,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.34 : 3,341.18 = 1,358.96 : x
  2. Step 2: Convert to fraction form
    2,421.34/3,341.18 = 1,358.96/x
  3. Step 3: Cross multiply
    2,421.34x = 3,341.18 × 1,358.96
  4. Step 4: Simplify right side
    2,421.34x = 4,540,540.34
  5. Step 5: Solve for x
    x = 4,540,540.34/2,421.34
  6. Step 6: Final answer
    x = 1,875.22

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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.