Home / 3,742.56-5,607.45-2,645.10

Finding the Fourth Proportional to 3,742.56, 5,607.45 and 2,645.10

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Solution

The fourth proportional to 3,742.56, 5,607.45 and 2,645.10 is: 3,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.56 : 5,607.45 = 2,645.10 : x
  2. Step 2: Convert to fraction form
    3,742.56/5,607.45 = 2,645.10/x
  3. Step 3: Cross multiply
    3,742.56x = 5,607.45 × 2,645.10
  4. Step 4: Simplify right side
    3,742.56x = 14,832,266.00
  5. Step 5: Solve for x
    x = 14,832,266.00/3,742.56
  6. Step 6: Final answer
    x = 3,963.13

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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.