Home / 2,849.72-4,275.04-1,000.80

Finding the Fourth Proportional to 2,849.72, 4,275.04 and 1,000.80

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Solution

The fourth proportional to 2,849.72, 4,275.04 and 1,000.80 is: 1,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.72 : 4,275.04 = 1,000.80 : x
  2. Step 2: Convert to fraction form
    2,849.72/4,275.04 = 1,000.80/x
  3. Step 3: Cross multiply
    2,849.72x = 4,275.04 × 1,000.80
  4. Step 4: Simplify right side
    2,849.72x = 4,278,460.03
  5. Step 5: Solve for x
    x = 4,278,460.03/2,849.72
  6. Step 6: Final answer
    x = 1,501.36

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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.