Home / 3,822.66-5,276.25-2,331.57

Finding the Fourth Proportional to 3,822.66, 5,276.25 and 2,331.57

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Solution

The fourth proportional to 3,822.66, 5,276.25 and 2,331.57 is: 3,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.66 : 5,276.25 = 2,331.57 : x
  2. Step 2: Convert to fraction form
    3,822.66/5,276.25 = 2,331.57/x
  3. Step 3: Cross multiply
    3,822.66x = 5,276.25 × 2,331.57
  4. Step 4: Simplify right side
    3,822.66x = 12,301,946.21
  5. Step 5: Solve for x
    x = 12,301,946.21/3,822.66
  6. Step 6: Final answer
    x = 3,218.16

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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.