Home / 4,218.92-5,822-2,330.66

Finding the Fourth Proportional to 4,218.92, 5,822 and 2,330.66

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Solution

The fourth proportional to 4,218.92, 5,822 and 2,330.66 is: 3,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.92 : 5,822 = 2,330.66 : x
  2. Step 2: Convert to fraction form
    4,218.92/5,822 = 2,330.66/x
  3. Step 3: Cross multiply
    4,218.92x = 5,822 × 2,330.66
  4. Step 4: Simplify right side
    4,218.92x = 13,569,102.52
  5. Step 5: Solve for x
    x = 13,569,102.52/4,218.92
  6. Step 6: Final answer
    x = 3,216.25

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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.