Home / 1,332.60-1,838.76-935.16

Finding the Fourth Proportional to 1,332.60, 1,838.76 and 935.16

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Solution

The fourth proportional to 1,332.60, 1,838.76 and 935.16 is: 1,290.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.60 : 1,838.76 = 935.16 : x
  2. Step 2: Convert to fraction form
    1,332.60/1,838.76 = 935.16/x
  3. Step 3: Cross multiply
    1,332.60x = 1,838.76 × 935.16
  4. Step 4: Simplify right side
    1,332.60x = 1,719,534.80
  5. Step 5: Solve for x
    x = 1,719,534.80/1,332.60
  6. Step 6: Final answer
    x = 1,290.36

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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.