Home / 1,332.29-1,995.35-1,286.15

Finding the Fourth Proportional to 1,332.29, 1,995.35 and 1,286.15

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Solution

The fourth proportional to 1,332.29, 1,995.35 and 1,286.15 is: 1,926.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.29 : 1,995.35 = 1,286.15 : x
  2. Step 2: Convert to fraction form
    1,332.29/1,995.35 = 1,286.15/x
  3. Step 3: Cross multiply
    1,332.29x = 1,995.35 × 1,286.15
  4. Step 4: Simplify right side
    1,332.29x = 2,566,312.97
  5. Step 5: Solve for x
    x = 2,566,312.97/1,332.29
  6. Step 6: Final answer
    x = 1,926.24

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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.