Home / 2,021.85-3,032.78-560.88

Finding the Fourth Proportional to 2,021.85, 3,032.78 and 560.88

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Solution

The fourth proportional to 2,021.85, 3,032.78 and 560.88 is: 841.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.85 : 3,032.78 = 560.88 : x
  2. Step 2: Convert to fraction form
    2,021.85/3,032.78 = 560.88/x
  3. Step 3: Cross multiply
    2,021.85x = 3,032.78 × 560.88
  4. Step 4: Simplify right side
    2,021.85x = 1,701,022.84
  5. Step 5: Solve for x
    x = 1,701,022.84/2,021.85
  6. Step 6: Final answer
    x = 841.32

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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.