Home / 2,575.80-3,557.12-2,200.59

Finding the Fourth Proportional to 2,575.80, 3,557.12 and 2,200.59

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Solution

The fourth proportional to 2,575.80, 3,557.12 and 2,200.59 is: 3,038.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.80 : 3,557.12 = 2,200.59 : x
  2. Step 2: Convert to fraction form
    2,575.80/3,557.12 = 2,200.59/x
  3. Step 3: Cross multiply
    2,575.80x = 3,557.12 × 2,200.59
  4. Step 4: Simplify right side
    2,575.80x = 7,827,751.70
  5. Step 5: Solve for x
    x = 7,827,751.70/2,575.80
  6. Step 6: Final answer
    x = 3,038.96

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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.