Home / 3,245.40-4,868.10-1,054.08

Finding the Fourth Proportional to 3,245.40, 4,868.10 and 1,054.08

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Solution

The fourth proportional to 3,245.40, 4,868.10 and 1,054.08 is: 1,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.40 : 4,868.10 = 1,054.08 : x
  2. Step 2: Convert to fraction form
    3,245.40/4,868.10 = 1,054.08/x
  3. Step 3: Cross multiply
    3,245.40x = 4,868.10 × 1,054.08
  4. Step 4: Simplify right side
    3,245.40x = 5,131,366.85
  5. Step 5: Solve for x
    x = 5,131,366.85/3,245.40
  6. Step 6: Final answer
    x = 1,581.12

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Similar ratio
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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.