Home / 2,021.23-3,031.50-560.04

Finding the Fourth Proportional to 2,021.23, 3,031.50 and 560.04

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Solution

The fourth proportional to 2,021.23, 3,031.50 and 560.04 is: 839.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.23 : 3,031.50 = 560.04 : x
  2. Step 2: Convert to fraction form
    2,021.23/3,031.50 = 560.04/x
  3. Step 3: Cross multiply
    2,021.23x = 3,031.50 × 560.04
  4. Step 4: Simplify right side
    2,021.23x = 1,697,758.94
  5. Step 5: Solve for x
    x = 1,697,758.94/2,021.23
  6. Step 6: Final answer
    x = 839.96

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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.