Home / 1,501.12-2,251.44-927.52

Finding the Fourth Proportional to 1,501.12, 2,251.44 and 927.52

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Solution

The fourth proportional to 1,501.12, 2,251.44 and 927.52 is: 1,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.12 : 2,251.44 = 927.52 : x
  2. Step 2: Convert to fraction form
    1,501.12/2,251.44 = 927.52/x
  3. Step 3: Cross multiply
    1,501.12x = 2,251.44 × 927.52
  4. Step 4: Simplify right side
    1,501.12x = 2,088,255.63
  5. Step 5: Solve for x
    x = 2,088,255.63/1,501.12
  6. Step 6: Final answer
    x = 1,391.13

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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.