Home / 1,691.12-2,333.56-944.92

Finding the Fourth Proportional to 1,691.12, 2,333.56 and 944.92

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Solution

The fourth proportional to 1,691.12, 2,333.56 and 944.92 is: 1,303.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691.12 : 2,333.56 = 944.92 : x
  2. Step 2: Convert to fraction form
    1,691.12/2,333.56 = 944.92/x
  3. Step 3: Cross multiply
    1,691.12x = 2,333.56 × 944.92
  4. Step 4: Simplify right side
    1,691.12x = 2,205,027.52
  5. Step 5: Solve for x
    x = 2,205,027.52/1,691.12
  6. Step 6: Final answer
    x = 1,303.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.