Home / 2,554.75-3,833.05-1,257.13

Finding the Fourth Proportional to 2,554.75, 3,833.05 and 1,257.13

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Solution

The fourth proportional to 2,554.75, 3,833.05 and 1,257.13 is: 1,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.75 : 3,833.05 = 1,257.13 : x
  2. Step 2: Convert to fraction form
    2,554.75/3,833.05 = 1,257.13/x
  3. Step 3: Cross multiply
    2,554.75x = 3,833.05 × 1,257.13
  4. Step 4: Simplify right side
    2,554.75x = 4,818,642.15
  5. Step 5: Solve for x
    x = 4,818,642.15/2,554.75
  6. Step 6: Final answer
    x = 1,886.15

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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.