Home / 2,610.28-3,602.08-1,561.72

Finding the Fourth Proportional to 2,610.28, 3,602.08 and 1,561.72

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Solution

The fourth proportional to 2,610.28, 3,602.08 and 1,561.72 is: 2,155.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.28 : 3,602.08 = 1,561.72 : x
  2. Step 2: Convert to fraction form
    2,610.28/3,602.08 = 1,561.72/x
  3. Step 3: Cross multiply
    2,610.28x = 3,602.08 × 1,561.72
  4. Step 4: Simplify right side
    2,610.28x = 5,625,440.38
  5. Step 5: Solve for x
    x = 5,625,440.38/2,610.28
  6. Step 6: Final answer
    x = 2,155.11

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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.