Home / 2,292.50-3,422.31-1,943.48

Finding the Fourth Proportional to 2,292.50, 3,422.31 and 1,943.48

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Solution

The fourth proportional to 2,292.50, 3,422.31 and 1,943.48 is: 2,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.50 : 3,422.31 = 1,943.48 : x
  2. Step 2: Convert to fraction form
    2,292.50/3,422.31 = 1,943.48/x
  3. Step 3: Cross multiply
    2,292.50x = 3,422.31 × 1,943.48
  4. Step 4: Simplify right side
    2,292.50x = 6,651,191.04
  5. Step 5: Solve for x
    x = 6,651,191.04/2,292.50
  6. Step 6: Final answer
    x = 2,901.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.