Home / 2,763.28-4,144.98-1,031.56

Finding the Fourth Proportional to 2,763.28, 4,144.98 and 1,031.56

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Solution

The fourth proportional to 2,763.28, 4,144.98 and 1,031.56 is: 1,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.28 : 4,144.98 = 1,031.56 : x
  2. Step 2: Convert to fraction form
    2,763.28/4,144.98 = 1,031.56/x
  3. Step 3: Cross multiply
    2,763.28x = 4,144.98 × 1,031.56
  4. Step 4: Simplify right side
    2,763.28x = 4,275,795.57
  5. Step 5: Solve for x
    x = 4,275,795.57/2,763.28
  6. Step 6: Final answer
    x = 1,547.36

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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.