Home / 2,021.40-3,032.27-560.55

Finding the Fourth Proportional to 2,021.40, 3,032.27 and 560.55

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Solution

The fourth proportional to 2,021.40, 3,032.27 and 560.55 is: 840.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.40 : 3,032.27 = 560.55 : x
  2. Step 2: Convert to fraction form
    2,021.40/3,032.27 = 560.55/x
  3. Step 3: Cross multiply
    2,021.40x = 3,032.27 × 560.55
  4. Step 4: Simplify right side
    2,021.40x = 1,699,736.15
  5. Step 5: Solve for x
    x = 1,699,736.15/2,021.40
  6. Step 6: Final answer
    x = 840.87

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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.