Home / 3,520.91-5,281.37-1,055.73

Finding the Fourth Proportional to 3,520.91, 5,281.37 and 1,055.73

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Solution

The fourth proportional to 3,520.91, 5,281.37 and 1,055.73 is: 1,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.91 : 5,281.37 = 1,055.73 : x
  2. Step 2: Convert to fraction form
    3,520.91/5,281.37 = 1,055.73/x
  3. Step 3: Cross multiply
    3,520.91x = 5,281.37 × 1,055.73
  4. Step 4: Simplify right side
    3,520.91x = 5,575,695.47
  5. Step 5: Solve for x
    x = 5,575,695.47/3,520.91
  6. Step 6: Final answer
    x = 1,583.60

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Double scale
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Similar ratio
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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.