Home / 1,625.88-2,437.38-1,242.84

Finding the Fourth Proportional to 1,625.88, 2,437.38 and 1,242.84

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Solution

The fourth proportional to 1,625.88, 2,437.38 and 1,242.84 is: 1,863.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.88 : 2,437.38 = 1,242.84 : x
  2. Step 2: Convert to fraction form
    1,625.88/2,437.38 = 1,242.84/x
  3. Step 3: Cross multiply
    1,625.88x = 2,437.38 × 1,242.84
  4. Step 4: Simplify right side
    1,625.88x = 3,029,273.36
  5. Step 5: Solve for x
    x = 3,029,273.36/1,625.88
  6. Step 6: Final answer
    x = 1,863.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.