Home / 2,849.31-4,272.75-1,000.08

Finding the Fourth Proportional to 2,849.31, 4,272.75 and 1,000.08

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Solution

The fourth proportional to 2,849.31, 4,272.75 and 1,000.08 is: 1,499.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.31 : 4,272.75 = 1,000.08 : x
  2. Step 2: Convert to fraction form
    2,849.31/4,272.75 = 1,000.08/x
  3. Step 3: Cross multiply
    2,849.31x = 4,272.75 × 1,000.08
  4. Step 4: Simplify right side
    2,849.31x = 4,273,091.82
  5. Step 5: Solve for x
    x = 4,273,091.82/2,849.31
  6. Step 6: Final answer
    x = 1,499.69

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1.5x scale

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.