Home / 2,575.62-3,554.40-1,396.74

Finding the Fourth Proportional to 2,575.62, 3,554.40 and 1,396.74

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Solution

The fourth proportional to 2,575.62, 3,554.40 and 1,396.74 is: 1,927.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.62 : 3,554.40 = 1,396.74 : x
  2. Step 2: Convert to fraction form
    2,575.62/3,554.40 = 1,396.74/x
  3. Step 3: Cross multiply
    2,575.62x = 3,554.40 × 1,396.74
  4. Step 4: Simplify right side
    2,575.62x = 4,964,572.66
  5. Step 5: Solve for x
    x = 4,964,572.66/2,575.62
  6. Step 6: Final answer
    x = 1,927.53

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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.