Home / 2,575.50-3,862.74-1,257.94

Finding the Fourth Proportional to 2,575.50, 3,862.74 and 1,257.94

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Solution

The fourth proportional to 2,575.50, 3,862.74 and 1,257.94 is: 1,886.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.50 : 3,862.74 = 1,257.94 : x
  2. Step 2: Convert to fraction form
    2,575.50/3,862.74 = 1,257.94/x
  3. Step 3: Cross multiply
    2,575.50x = 3,862.74 × 1,257.94
  4. Step 4: Simplify right side
    2,575.50x = 4,859,095.16
  5. Step 5: Solve for x
    x = 4,859,095.16/2,575.50
  6. Step 6: Final answer
    x = 1,886.66

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1.5x scale

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.