Home / 2,224.92-3,070.34-1,230.24

Finding the Fourth Proportional to 2,224.92, 3,070.34 and 1,230.24

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Solution

The fourth proportional to 2,224.92, 3,070.34 and 1,230.24 is: 1,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.92 : 3,070.34 = 1,230.24 : x
  2. Step 2: Convert to fraction form
    2,224.92/3,070.34 = 1,230.24/x
  3. Step 3: Cross multiply
    2,224.92x = 3,070.34 × 1,230.24
  4. Step 4: Simplify right side
    2,224.92x = 3,777,255.08
  5. Step 5: Solve for x
    x = 3,777,255.08/2,224.92
  6. Step 6: Final answer
    x = 1,697.70

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.