Home / 2,541.87-3,507.57-1,422.97

Finding the Fourth Proportional to 2,541.87, 3,507.57 and 1,422.97

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Solution

The fourth proportional to 2,541.87, 3,507.57 and 1,422.97 is: 1,963.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.87 : 3,507.57 = 1,422.97 : x
  2. Step 2: Convert to fraction form
    2,541.87/3,507.57 = 1,422.97/x
  3. Step 3: Cross multiply
    2,541.87x = 3,507.57 × 1,422.97
  4. Step 4: Simplify right side
    2,541.87x = 4,991,158.11
  5. Step 5: Solve for x
    x = 4,991,158.11/2,541.87
  6. Step 6: Final answer
    x = 1,963.58

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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.