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Finding the Fourth Proportional to 2,754.88, 4,132.02 and 807.10

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Solution

The fourth proportional to 2,754.88, 4,132.02 and 807.10 is: 1,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.88 : 4,132.02 = 807.10 : x
  2. Step 2: Convert to fraction form
    2,754.88/4,132.02 = 807.10/x
  3. Step 3: Cross multiply
    2,754.88x = 4,132.02 × 807.10
  4. Step 4: Simplify right side
    2,754.88x = 3,334,953.34
  5. Step 5: Solve for x
    x = 3,334,953.34/2,754.88
  6. Step 6: Final answer
    x = 1,210.56

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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.