Home / 2,610.06-3,915.17-761.13

Finding the Fourth Proportional to 2,610.06, 3,915.17 and 761.13

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Solution

The fourth proportional to 2,610.06, 3,915.17 and 761.13 is: 1,141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.06 : 3,915.17 = 761.13 : x
  2. Step 2: Convert to fraction form
    2,610.06/3,915.17 = 761.13/x
  3. Step 3: Cross multiply
    2,610.06x = 3,915.17 × 761.13
  4. Step 4: Simplify right side
    2,610.06x = 2,979,953.34
  5. Step 5: Solve for x
    x = 2,979,953.34/2,610.06
  6. Step 6: Final answer
    x = 1,141.72

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1.5x scale

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.