Home / 2,407.38-3,607.29-1,860.90

Finding the Fourth Proportional to 2,407.38, 3,607.29 and 1,860.90

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Solution

The fourth proportional to 2,407.38, 3,607.29 and 1,860.90 is: 2,788.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.38 : 3,607.29 = 1,860.90 : x
  2. Step 2: Convert to fraction form
    2,407.38/3,607.29 = 1,860.90/x
  3. Step 3: Cross multiply
    2,407.38x = 3,607.29 × 1,860.90
  4. Step 4: Simplify right side
    2,407.38x = 6,712,805.96
  5. Step 5: Solve for x
    x = 6,712,805.96/2,407.38
  6. Step 6: Final answer
    x = 2,788.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.