Home / 2,921.84-4,034.76-2,175.52

Finding the Fourth Proportional to 2,921.84, 4,034.76 and 2,175.52

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Solution

The fourth proportional to 2,921.84, 4,034.76 and 2,175.52 is: 3,004.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.84 : 4,034.76 = 2,175.52 : x
  2. Step 2: Convert to fraction form
    2,921.84/4,034.76 = 2,175.52/x
  3. Step 3: Cross multiply
    2,921.84x = 4,034.76 × 2,175.52
  4. Step 4: Simplify right side
    2,921.84x = 8,777,701.08
  5. Step 5: Solve for x
    x = 8,777,701.08/2,921.84
  6. Step 6: Final answer
    x = 3,004.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.