Home / 1,566.14-2,158.80-1,191.92

Finding the Fourth Proportional to 1,566.14, 2,158.80 and 1,191.92

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Solution

The fourth proportional to 1,566.14, 2,158.80 and 1,191.92 is: 1,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.14 : 2,158.80 = 1,191.92 : x
  2. Step 2: Convert to fraction form
    1,566.14/2,158.80 = 1,191.92/x
  3. Step 3: Cross multiply
    1,566.14x = 2,158.80 × 1,191.92
  4. Step 4: Simplify right side
    1,566.14x = 2,573,116.90
  5. Step 5: Solve for x
    x = 2,573,116.90/1,566.14
  6. Step 6: Final answer
    x = 1,642.97

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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.