Home / 4,221.85-5,827.38-2,454.16

Finding the Fourth Proportional to 4,221.85, 5,827.38 and 2,454.16

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Solution

The fourth proportional to 4,221.85, 5,827.38 and 2,454.16 is: 3,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.85 : 5,827.38 = 2,454.16 : x
  2. Step 2: Convert to fraction form
    4,221.85/5,827.38 = 2,454.16/x
  3. Step 3: Cross multiply
    4,221.85x = 5,827.38 × 2,454.16
  4. Step 4: Simplify right side
    4,221.85x = 14,301,322.90
  5. Step 5: Solve for x
    x = 14,301,322.90/4,221.85
  6. Step 6: Final answer
    x = 3,387.45

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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.