Home / 1,563.67-2,158.80-1,092.38

Finding the Fourth Proportional to 1,563.67, 2,158.80 and 1,092.38

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Solution

The fourth proportional to 1,563.67, 2,158.80 and 1,092.38 is: 1,508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.67 : 2,158.80 = 1,092.38 : x
  2. Step 2: Convert to fraction form
    1,563.67/2,158.80 = 1,092.38/x
  3. Step 3: Cross multiply
    1,563.67x = 2,158.80 × 1,092.38
  4. Step 4: Simplify right side
    1,563.67x = 2,358,229.94
  5. Step 5: Solve for x
    x = 2,358,229.94/1,563.67
  6. Step 6: Final answer
    x = 1,508.14

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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.