Home / 3,127.25-4,690.83-935.93

Finding the Fourth Proportional to 3,127.25, 4,690.83 and 935.93

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Solution

The fourth proportional to 3,127.25, 4,690.83 and 935.93 is: 1,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.25 : 4,690.83 = 935.93 : x
  2. Step 2: Convert to fraction form
    3,127.25/4,690.83 = 935.93/x
  3. Step 3: Cross multiply
    3,127.25x = 4,690.83 × 935.93
  4. Step 4: Simplify right side
    3,127.25x = 4,390,288.52
  5. Step 5: Solve for x
    x = 4,390,288.52/3,127.25
  6. Step 6: Final answer
    x = 1,403.88

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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.