Home / 1,867.66-2,801.80-635.18

Finding the Fourth Proportional to 1,867.66, 2,801.80 and 635.18

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Solution

The fourth proportional to 1,867.66, 2,801.80 and 635.18 is: 952.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.66 : 2,801.80 = 635.18 : x
  2. Step 2: Convert to fraction form
    1,867.66/2,801.80 = 635.18/x
  3. Step 3: Cross multiply
    1,867.66x = 2,801.80 × 635.18
  4. Step 4: Simplify right side
    1,867.66x = 1,779,647.32
  5. Step 5: Solve for x
    x = 1,779,647.32/1,867.66
  6. Step 6: Final answer
    x = 952.88

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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.