Home / 4,221.17-5,822.88-2,961.71

Finding the Fourth Proportional to 4,221.17, 5,822.88 and 2,961.71

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Solution

The fourth proportional to 4,221.17, 5,822.88 and 2,961.71 is: 4,085.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.17 : 5,822.88 = 2,961.71 : x
  2. Step 2: Convert to fraction form
    4,221.17/5,822.88 = 2,961.71/x
  3. Step 3: Cross multiply
    4,221.17x = 5,822.88 × 2,961.71
  4. Step 4: Simplify right side
    4,221.17x = 17,245,681.92
  5. Step 5: Solve for x
    x = 17,245,681.92/4,221.17
  6. Step 6: Final answer
    x = 4,085.52

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1.5x scale

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.