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Finding the Fourth Proportional to 2,021.01, 3,031.71 and 560.17

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Solution

The fourth proportional to 2,021.01, 3,031.71 and 560.17 is: 840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.01 : 3,031.71 = 560.17 : x
  2. Step 2: Convert to fraction form
    2,021.01/3,031.71 = 560.17/x
  3. Step 3: Cross multiply
    2,021.01x = 3,031.71 × 560.17
  4. Step 4: Simplify right side
    2,021.01x = 1,698,272.99
  5. Step 5: Solve for x
    x = 1,698,272.99/2,021.01
  6. Step 6: Final answer
    x = 840.31

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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.