Home / 2,402.30-3,315.12-1,354.26

Finding the Fourth Proportional to 2,402.30, 3,315.12 and 1,354.26

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Solution

The fourth proportional to 2,402.30, 3,315.12 and 1,354.26 is: 1,868.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.30 : 3,315.12 = 1,354.26 : x
  2. Step 2: Convert to fraction form
    2,402.30/3,315.12 = 1,354.26/x
  3. Step 3: Cross multiply
    2,402.30x = 3,315.12 × 1,354.26
  4. Step 4: Simplify right side
    2,402.30x = 4,489,534.41
  5. Step 5: Solve for x
    x = 4,489,534.41/2,402.30
  6. Step 6: Final answer
    x = 1,868.85

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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.