Home / 2,541.85-3,507.26-1,422.65

Finding the Fourth Proportional to 2,541.85, 3,507.26 and 1,422.65

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Solution

The fourth proportional to 2,541.85, 3,507.26 and 1,422.65 is: 1,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.85 : 3,507.26 = 1,422.65 : x
  2. Step 2: Convert to fraction form
    2,541.85/3,507.26 = 1,422.65/x
  3. Step 3: Cross multiply
    2,541.85x = 3,507.26 × 1,422.65
  4. Step 4: Simplify right side
    2,541.85x = 4,989,605.09
  5. Step 5: Solve for x
    x = 4,989,605.09/2,541.85
  6. Step 6: Final answer
    x = 1,962.98

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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.