Home / 2,230.55-3,345.72-1,059.70

Finding the Fourth Proportional to 2,230.55, 3,345.72 and 1,059.70

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Solution

The fourth proportional to 2,230.55, 3,345.72 and 1,059.70 is: 1,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.55 : 3,345.72 = 1,059.70 : x
  2. Step 2: Convert to fraction form
    2,230.55/3,345.72 = 1,059.70/x
  3. Step 3: Cross multiply
    2,230.55x = 3,345.72 × 1,059.70
  4. Step 4: Simplify right side
    2,230.55x = 3,545,442.76
  5. Step 5: Solve for x
    x = 3,545,442.76/2,230.55
  6. Step 6: Final answer
    x = 1,589.49

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Half scale
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Double scale
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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.