Home / 2,732.08-4,099.29-1,561.90

Finding the Fourth Proportional to 2,732.08, 4,099.29 and 1,561.90

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Solution

The fourth proportional to 2,732.08, 4,099.29 and 1,561.90 is: 2,343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.08 : 4,099.29 = 1,561.90 : x
  2. Step 2: Convert to fraction form
    2,732.08/4,099.29 = 1,561.90/x
  3. Step 3: Cross multiply
    2,732.08x = 4,099.29 × 1,561.90
  4. Step 4: Simplify right side
    2,732.08x = 6,402,681.05
  5. Step 5: Solve for x
    x = 6,402,681.05/2,732.08
  6. Step 6: Final answer
    x = 2,343.52

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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.