Home / 2,402.13-3,315.10-1,354.19

Finding the Fourth Proportional to 2,402.13, 3,315.10 and 1,354.19

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Solution

The fourth proportional to 2,402.13, 3,315.10 and 1,354.19 is: 1,868.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.13 : 3,315.10 = 1,354.19 : x
  2. Step 2: Convert to fraction form
    2,402.13/3,315.10 = 1,354.19/x
  3. Step 3: Cross multiply
    2,402.13x = 3,315.10 × 1,354.19
  4. Step 4: Simplify right side
    2,402.13x = 4,489,275.27
  5. Step 5: Solve for x
    x = 4,489,275.27/2,402.13
  6. Step 6: Final answer
    x = 1,868.87

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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.