Home / 2,763.88-4,148.35-2,151.52

Finding the Fourth Proportional to 2,763.88, 4,148.35 and 2,151.52

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Solution

The fourth proportional to 2,763.88, 4,148.35 and 2,151.52 is: 3,229.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.88 : 4,148.35 = 2,151.52 : x
  2. Step 2: Convert to fraction form
    2,763.88/4,148.35 = 2,151.52/x
  3. Step 3: Cross multiply
    2,763.88x = 4,148.35 × 2,151.52
  4. Step 4: Simplify right side
    2,763.88x = 8,925,242.24
  5. Step 5: Solve for x
    x = 8,925,242.24/2,763.88
  6. Step 6: Final answer
    x = 3,229.25

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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.