Home / 3,943.65-5,441.49-2,265.06

Finding the Fourth Proportional to 3,943.65, 5,441.49 and 2,265.06

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Solution

The fourth proportional to 3,943.65, 5,441.49 and 2,265.06 is: 3,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.65 : 5,441.49 = 2,265.06 : x
  2. Step 2: Convert to fraction form
    3,943.65/5,441.49 = 2,265.06/x
  3. Step 3: Cross multiply
    3,943.65x = 5,441.49 × 2,265.06
  4. Step 4: Simplify right side
    3,943.65x = 12,325,301.34
  5. Step 5: Solve for x
    x = 12,325,301.34/3,943.65
  6. Step 6: Final answer
    x = 3,125.35

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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.