Home / 2,541.65-3,507.44-1,422.63

Finding the Fourth Proportional to 2,541.65, 3,507.44 and 1,422.63

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Solution

The fourth proportional to 2,541.65, 3,507.44 and 1,422.63 is: 1,963.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.65 : 3,507.44 = 1,422.63 : x
  2. Step 2: Convert to fraction form
    2,541.65/3,507.44 = 1,422.63/x
  3. Step 3: Cross multiply
    2,541.65x = 3,507.44 × 1,422.63
  4. Step 4: Simplify right side
    2,541.65x = 4,989,782.25
  5. Step 5: Solve for x
    x = 4,989,782.25/2,541.65
  6. Step 6: Final answer
    x = 1,963.21

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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.