Home / 3,058.60-4,221.54-2,010.76

Finding the Fourth Proportional to 3,058.60, 4,221.54 and 2,010.76

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Solution

The fourth proportional to 3,058.60, 4,221.54 and 2,010.76 is: 2,775.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.60 : 4,221.54 = 2,010.76 : x
  2. Step 2: Convert to fraction form
    3,058.60/4,221.54 = 2,010.76/x
  3. Step 3: Cross multiply
    3,058.60x = 4,221.54 × 2,010.76
  4. Step 4: Simplify right side
    3,058.60x = 8,488,503.77
  5. Step 5: Solve for x
    x = 8,488,503.77/3,058.60
  6. Step 6: Final answer
    x = 2,775.29

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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.