Home / 2,237.78-3,088.17-1,353.39

Finding the Fourth Proportional to 2,237.78, 3,088.17 and 1,353.39

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Solution

The fourth proportional to 2,237.78, 3,088.17 and 1,353.39 is: 1,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.78 : 3,088.17 = 1,353.39 : x
  2. Step 2: Convert to fraction form
    2,237.78/3,088.17 = 1,353.39/x
  3. Step 3: Cross multiply
    2,237.78x = 3,088.17 × 1,353.39
  4. Step 4: Simplify right side
    2,237.78x = 4,179,498.40
  5. Step 5: Solve for x
    x = 4,179,498.40/2,237.78
  6. Step 6: Final answer
    x = 1,867.70

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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.