Home / 3,712.24-5,123.34-2,220.14

Finding the Fourth Proportional to 3,712.24, 5,123.34 and 2,220.14

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Solution

The fourth proportional to 3,712.24, 5,123.34 and 2,220.14 is: 3,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.24 : 5,123.34 = 2,220.14 : x
  2. Step 2: Convert to fraction form
    3,712.24/5,123.34 = 2,220.14/x
  3. Step 3: Cross multiply
    3,712.24x = 5,123.34 × 2,220.14
  4. Step 4: Simplify right side
    3,712.24x = 11,374,532.07
  5. Step 5: Solve for x
    x = 11,374,532.07/3,712.24
  6. Step 6: Final answer
    x = 3,064.06

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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.