Home / 3,587.80-5,373.90-2,196.92

Finding the Fourth Proportional to 3,587.80, 5,373.90 and 2,196.92

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Solution

The fourth proportional to 3,587.80, 5,373.90 and 2,196.92 is: 3,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.80 : 5,373.90 = 2,196.92 : x
  2. Step 2: Convert to fraction form
    3,587.80/5,373.90 = 2,196.92/x
  3. Step 3: Cross multiply
    3,587.80x = 5,373.90 × 2,196.92
  4. Step 4: Simplify right side
    3,587.80x = 11,806,028.39
  5. Step 5: Solve for x
    x = 11,806,028.39/3,587.80
  6. Step 6: Final answer
    x = 3,290.60

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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.