Home / 4,257.80-5,876.29-2,578.89

Finding the Fourth Proportional to 4,257.80, 5,876.29 and 2,578.89

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Solution

The fourth proportional to 4,257.80, 5,876.29 and 2,578.89 is: 3,559.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.80 : 5,876.29 = 2,578.89 : x
  2. Step 2: Convert to fraction form
    4,257.80/5,876.29 = 2,578.89/x
  3. Step 3: Cross multiply
    4,257.80x = 5,876.29 × 2,578.89
  4. Step 4: Simplify right side
    4,257.80x = 15,154,305.52
  5. Step 5: Solve for x
    x = 15,154,305.52/4,257.80
  6. Step 6: Final answer
    x = 3,559.19

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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.