Home / 2,575.59-3,554.95-1,581.11

Finding the Fourth Proportional to 2,575.59, 3,554.95 and 1,581.11

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Solution

The fourth proportional to 2,575.59, 3,554.95 and 1,581.11 is: 2,182.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.59 : 3,554.95 = 1,581.11 : x
  2. Step 2: Convert to fraction form
    2,575.59/3,554.95 = 1,581.11/x
  3. Step 3: Cross multiply
    2,575.59x = 3,554.95 × 1,581.11
  4. Step 4: Simplify right side
    2,575.59x = 5,620,766.99
  5. Step 5: Solve for x
    x = 5,620,766.99/2,575.59
  6. Step 6: Final answer
    x = 2,182.32

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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.