Home / 3,943.32-5,442.06-2,265

Finding the Fourth Proportional to 3,943.32, 5,442.06 and 2,265

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Solution

The fourth proportional to 3,943.32, 5,442.06 and 2,265 is: 3,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.32 : 5,442.06 = 2,265 : x
  2. Step 2: Convert to fraction form
    3,943.32/5,442.06 = 2,265/x
  3. Step 3: Cross multiply
    3,943.32x = 5,442.06 × 2,265
  4. Step 4: Simplify right side
    3,943.32x = 12,326,265.90
  5. Step 5: Solve for x
    x = 12,326,265.90/3,943.32
  6. Step 6: Final answer
    x = 3,125.86

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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.