Home / 2,575.97-3,554.84-1,397.05

Finding the Fourth Proportional to 2,575.97, 3,554.84 and 1,397.05

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Solution

The fourth proportional to 2,575.97, 3,554.84 and 1,397.05 is: 1,927.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.97 : 3,554.84 = 1,397.05 : x
  2. Step 2: Convert to fraction form
    2,575.97/3,554.84 = 1,397.05/x
  3. Step 3: Cross multiply
    2,575.97x = 3,554.84 × 1,397.05
  4. Step 4: Simplify right side
    2,575.97x = 4,966,275.97
  5. Step 5: Solve for x
    x = 4,966,275.97/2,575.97
  6. Step 6: Final answer
    x = 1,927.93

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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.