Home / 2,021.04-3,031.38-560.16

Finding the Fourth Proportional to 2,021.04, 3,031.38 and 560.16

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Solution

The fourth proportional to 2,021.04, 3,031.38 and 560.16 is: 840.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.04 : 3,031.38 = 560.16 : x
  2. Step 2: Convert to fraction form
    2,021.04/3,031.38 = 560.16/x
  3. Step 3: Cross multiply
    2,021.04x = 3,031.38 × 560.16
  4. Step 4: Simplify right side
    2,021.04x = 1,698,057.82
  5. Step 5: Solve for x
    x = 1,698,057.82/2,021.04
  6. Step 6: Final answer
    x = 840.19

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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.