Home / 2,021.90-3,032.23-560.70

Finding the Fourth Proportional to 2,021.90, 3,032.23 and 560.70

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Solution

The fourth proportional to 2,021.90, 3,032.23 and 560.70 is: 840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.90 : 3,032.23 = 560.70 : x
  2. Step 2: Convert to fraction form
    2,021.90/3,032.23 = 560.70/x
  3. Step 3: Cross multiply
    2,021.90x = 3,032.23 × 560.70
  4. Step 4: Simplify right side
    2,021.90x = 1,700,171.36
  5. Step 5: Solve for x
    x = 1,700,171.36/2,021.90
  6. Step 6: Final answer
    x = 840.88

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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.