Home / 3,440.56-4,747.44-2,319.72

Finding the Fourth Proportional to 3,440.56, 4,747.44 and 2,319.72

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Solution

The fourth proportional to 3,440.56, 4,747.44 and 2,319.72 is: 3,200.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.56 : 4,747.44 = 2,319.72 : x
  2. Step 2: Convert to fraction form
    3,440.56/4,747.44 = 2,319.72/x
  3. Step 3: Cross multiply
    3,440.56x = 4,747.44 × 2,319.72
  4. Step 4: Simplify right side
    3,440.56x = 11,012,731.52
  5. Step 5: Solve for x
    x = 11,012,731.52/3,440.56
  6. Step 6: Final answer
    x = 3,200.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.