Home / 1,657.16-2,286.82-958.52

Finding the Fourth Proportional to 1,657.16, 2,286.82 and 958.52

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Solution

The fourth proportional to 1,657.16, 2,286.82 and 958.52 is: 1,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.16 : 2,286.82 = 958.52 : x
  2. Step 2: Convert to fraction form
    1,657.16/2,286.82 = 958.52/x
  3. Step 3: Cross multiply
    1,657.16x = 2,286.82 × 958.52
  4. Step 4: Simplify right side
    1,657.16x = 2,191,962.71
  5. Step 5: Solve for x
    x = 2,191,962.71/1,657.16
  6. Step 6: Final answer
    x = 1,322.72

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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.