Home / 2,220.56-3,327.76-1,397.36

Finding the Fourth Proportional to 2,220.56, 3,327.76 and 1,397.36

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Solution

The fourth proportional to 2,220.56, 3,327.76 and 1,397.36 is: 2,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.56 : 3,327.76 = 1,397.36 : x
  2. Step 2: Convert to fraction form
    2,220.56/3,327.76 = 1,397.36/x
  3. Step 3: Cross multiply
    2,220.56x = 3,327.76 × 1,397.36
  4. Step 4: Simplify right side
    2,220.56x = 4,650,058.58
  5. Step 5: Solve for x
    x = 4,650,058.58/2,220.56
  6. Step 6: Final answer
    x = 2,094.10

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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.