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Finding the Fourth Proportional to 2,752.50, 4,127.94 and 804.24

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Solution

The fourth proportional to 2,752.50, 4,127.94 and 804.24 is: 1,206.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.50 : 4,127.94 = 804.24 : x
  2. Step 2: Convert to fraction form
    2,752.50/4,127.94 = 804.24/x
  3. Step 3: Cross multiply
    2,752.50x = 4,127.94 × 804.24
  4. Step 4: Simplify right side
    2,752.50x = 3,319,854.47
  5. Step 5: Solve for x
    x = 3,319,854.47/2,752.50
  6. Step 6: Final answer
    x = 1,206.12

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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.