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Finding the Fourth Proportional to 1,710.17, 2,563.63 and 736.95

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Solution

The fourth proportional to 1,710.17, 2,563.63 and 736.95 is: 1,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710.17 : 2,563.63 = 736.95 : x
  2. Step 2: Convert to fraction form
    1,710.17/2,563.63 = 736.95/x
  3. Step 3: Cross multiply
    1,710.17x = 2,563.63 × 736.95
  4. Step 4: Simplify right side
    1,710.17x = 1,889,267.13
  5. Step 5: Solve for x
    x = 1,889,267.13/1,710.17
  6. Step 6: Final answer
    x = 1,104.72

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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.