Home / 3,740.04-5,610.18-1,431

Finding the Fourth Proportional to 3,740.04, 5,610.18 and 1,431

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Solution

The fourth proportional to 3,740.04, 5,610.18 and 1,431 is: 2,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.04 : 5,610.18 = 1,431 : x
  2. Step 2: Convert to fraction form
    3,740.04/5,610.18 = 1,431/x
  3. Step 3: Cross multiply
    3,740.04x = 5,610.18 × 1,431
  4. Step 4: Simplify right side
    3,740.04x = 8,028,167.58
  5. Step 5: Solve for x
    x = 8,028,167.58/3,740.04
  6. Step 6: Final answer
    x = 2,146.55

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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.