Home / 2,832.28-4,247.48-1,077.22

Finding the Fourth Proportional to 2,832.28, 4,247.48 and 1,077.22

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Solution

The fourth proportional to 2,832.28, 4,247.48 and 1,077.22 is: 1,615.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.28 : 4,247.48 = 1,077.22 : x
  2. Step 2: Convert to fraction form
    2,832.28/4,247.48 = 1,077.22/x
  3. Step 3: Cross multiply
    2,832.28x = 4,247.48 × 1,077.22
  4. Step 4: Simplify right side
    2,832.28x = 4,575,470.41
  5. Step 5: Solve for x
    x = 4,575,470.41/2,832.28
  6. Step 6: Final answer
    x = 1,615.47

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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.