Home / 1,579.91-2,177.55-1,354.19

Finding the Fourth Proportional to 1,579.91, 2,177.55 and 1,354.19

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Solution

The fourth proportional to 1,579.91, 2,177.55 and 1,354.19 is: 1,866.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.91 : 2,177.55 = 1,354.19 : x
  2. Step 2: Convert to fraction form
    1,579.91/2,177.55 = 1,354.19/x
  3. Step 3: Cross multiply
    1,579.91x = 2,177.55 × 1,354.19
  4. Step 4: Simplify right side
    1,579.91x = 2,948,805.55
  5. Step 5: Solve for x
    x = 2,948,805.55/1,579.91
  6. Step 6: Final answer
    x = 1,866.44

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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.