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Finding the Fourth Proportional to 1,707.14, 2,560.72 and 537.10

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Solution

The fourth proportional to 1,707.14, 2,560.72 and 537.10 is: 805.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.14 : 2,560.72 = 537.10 : x
  2. Step 2: Convert to fraction form
    1,707.14/2,560.72 = 537.10/x
  3. Step 3: Cross multiply
    1,707.14x = 2,560.72 × 537.10
  4. Step 4: Simplify right side
    1,707.14x = 1,375,362.71
  5. Step 5: Solve for x
    x = 1,375,362.71/1,707.14
  6. Step 6: Final answer
    x = 805.65

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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.