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Finding the Fourth Proportional to 1,875.52, 2,815.26 and 1,532.80

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Solution

The fourth proportional to 1,875.52, 2,815.26 and 1,532.80 is: 2,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.52 : 2,815.26 = 1,532.80 : x
  2. Step 2: Convert to fraction form
    1,875.52/2,815.26 = 1,532.80/x
  3. Step 3: Cross multiply
    1,875.52x = 2,815.26 × 1,532.80
  4. Step 4: Simplify right side
    1,875.52x = 4,315,230.53
  5. Step 5: Solve for x
    x = 4,315,230.53/1,875.52
  6. Step 6: Final answer
    x = 2,300.82

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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.