Home / 2,201.90-3,302.21-1,030.70

Finding the Fourth Proportional to 2,201.90, 3,302.21 and 1,030.70

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Solution

The fourth proportional to 2,201.90, 3,302.21 and 1,030.70 is: 1,545.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.90 : 3,302.21 = 1,030.70 : x
  2. Step 2: Convert to fraction form
    2,201.90/3,302.21 = 1,030.70/x
  3. Step 3: Cross multiply
    2,201.90x = 3,302.21 × 1,030.70
  4. Step 4: Simplify right side
    2,201.90x = 3,403,598.68
  5. Step 5: Solve for x
    x = 3,403,598.68/2,201.90
  6. Step 6: Final answer
    x = 1,545.76

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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.