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Finding the Fourth Proportional to 1,727.95, 2,592.30 and 632.31

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Solution

The fourth proportional to 1,727.95, 2,592.30 and 632.31 is: 948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.95 : 2,592.30 = 632.31 : x
  2. Step 2: Convert to fraction form
    1,727.95/2,592.30 = 632.31/x
  3. Step 3: Cross multiply
    1,727.95x = 2,592.30 × 632.31
  4. Step 4: Simplify right side
    1,727.95x = 1,639,137.21
  5. Step 5: Solve for x
    x = 1,639,137.21/1,727.95
  6. Step 6: Final answer
    x = 948.60

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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.