Home / 3,245.56-4,478.16-2,068.36

Finding the Fourth Proportional to 3,245.56, 4,478.16 and 2,068.36

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Solution

The fourth proportional to 3,245.56, 4,478.16 and 2,068.36 is: 2,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.56 : 4,478.16 = 2,068.36 : x
  2. Step 2: Convert to fraction form
    3,245.56/4,478.16 = 2,068.36/x
  3. Step 3: Cross multiply
    3,245.56x = 4,478.16 × 2,068.36
  4. Step 4: Simplify right side
    3,245.56x = 9,262,447.02
  5. Step 5: Solve for x
    x = 9,262,447.02/3,245.56
  6. Step 6: Final answer
    x = 2,853.88

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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.