Home / 2,559.87-3,838.19-1,572.89

Finding the Fourth Proportional to 2,559.87, 3,838.19 and 1,572.89

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Solution

The fourth proportional to 2,559.87, 3,838.19 and 1,572.89 is: 2,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.87 : 3,838.19 = 1,572.89 : x
  2. Step 2: Convert to fraction form
    2,559.87/3,838.19 = 1,572.89/x
  3. Step 3: Cross multiply
    2,559.87x = 3,838.19 × 1,572.89
  4. Step 4: Simplify right side
    2,559.87x = 6,037,023.61
  5. Step 5: Solve for x
    x = 6,037,023.61/2,559.87
  6. Step 6: Final answer
    x = 2,358.33

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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.