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Finding the Fourth Proportional to 2,886.66, 4,326.48 and 1,499.24

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Solution

The fourth proportional to 2,886.66, 4,326.48 and 1,499.24 is: 2,247.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.66 : 4,326.48 = 1,499.24 : x
  2. Step 2: Convert to fraction form
    2,886.66/4,326.48 = 1,499.24/x
  3. Step 3: Cross multiply
    2,886.66x = 4,326.48 × 1,499.24
  4. Step 4: Simplify right side
    2,886.66x = 6,486,442.69
  5. Step 5: Solve for x
    x = 6,486,442.69/2,886.66
  6. Step 6: Final answer
    x = 2,247.04

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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.