Home / 4,218.80-5,822.20-2,426.86

Finding the Fourth Proportional to 4,218.80, 5,822.20 and 2,426.86

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Solution

The fourth proportional to 4,218.80, 5,822.20 and 2,426.86 is: 3,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.80 : 5,822.20 = 2,426.86 : x
  2. Step 2: Convert to fraction form
    4,218.80/5,822.20 = 2,426.86/x
  3. Step 3: Cross multiply
    4,218.80x = 5,822.20 × 2,426.86
  4. Step 4: Simplify right side
    4,218.80x = 14,129,664.29
  5. Step 5: Solve for x
    x = 14,129,664.29/4,218.80
  6. Step 6: Final answer
    x = 3,349.21

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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.