Home / 3,587.20-4,964.16-3,500.80

Finding the Fourth Proportional to 3,587.20, 4,964.16 and 3,500.80

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Solution

The fourth proportional to 3,587.20, 4,964.16 and 3,500.80 is: 4,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.20 : 4,964.16 = 3,500.80 : x
  2. Step 2: Convert to fraction form
    3,587.20/4,964.16 = 3,500.80/x
  3. Step 3: Cross multiply
    3,587.20x = 4,964.16 × 3,500.80
  4. Step 4: Simplify right side
    3,587.20x = 17,378,531.33
  5. Step 5: Solve for x
    x = 17,378,531.33/3,587.20
  6. Step 6: Final answer
    x = 4,844.60

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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.