Home / 3,520.06-5,280.09-1,055.14

Finding the Fourth Proportional to 3,520.06, 5,280.09 and 1,055.14

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Solution

The fourth proportional to 3,520.06, 5,280.09 and 1,055.14 is: 1,582.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.06 : 5,280.09 = 1,055.14 : x
  2. Step 2: Convert to fraction form
    3,520.06/5,280.09 = 1,055.14/x
  3. Step 3: Cross multiply
    3,520.06x = 5,280.09 × 1,055.14
  4. Step 4: Simplify right side
    3,520.06x = 5,571,234.16
  5. Step 5: Solve for x
    x = 5,571,234.16/3,520.06
  6. Step 6: Final answer
    x = 1,582.71

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Half scale
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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.