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Finding the Fourth Proportional to 3,092.87, 4,639.23 and 752.88

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Solution

The fourth proportional to 3,092.87, 4,639.23 and 752.88 is: 1,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.87 : 4,639.23 = 752.88 : x
  2. Step 2: Convert to fraction form
    3,092.87/4,639.23 = 752.88/x
  3. Step 3: Cross multiply
    3,092.87x = 4,639.23 × 752.88
  4. Step 4: Simplify right side
    3,092.87x = 3,492,803.00
  5. Step 5: Solve for x
    x = 3,492,803.00/3,092.87
  6. Step 6: Final answer
    x = 1,129.31

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1.5x scale

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.