Home / 3,520.61-5,280.91-1,055.37

Finding the Fourth Proportional to 3,520.61, 5,280.91 and 1,055.37

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Solution

The fourth proportional to 3,520.61, 5,280.91 and 1,055.37 is: 1,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.61 : 5,280.91 = 1,055.37 : x
  2. Step 2: Convert to fraction form
    3,520.61/5,280.91 = 1,055.37/x
  3. Step 3: Cross multiply
    3,520.61x = 5,280.91 × 1,055.37
  4. Step 4: Simplify right side
    3,520.61x = 5,573,311.35
  5. Step 5: Solve for x
    x = 5,573,311.35/3,520.61
  6. Step 6: Final answer
    x = 1,583.06

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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.