Home / 3,148.39-4,722.59-1,298.35

Finding the Fourth Proportional to 3,148.39, 4,722.59 and 1,298.35

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Solution

The fourth proportional to 3,148.39, 4,722.59 and 1,298.35 is: 1,947.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.39 : 4,722.59 = 1,298.35 : x
  2. Step 2: Convert to fraction form
    3,148.39/4,722.59 = 1,298.35/x
  3. Step 3: Cross multiply
    3,148.39x = 4,722.59 × 1,298.35
  4. Step 4: Simplify right side
    3,148.39x = 6,131,574.73
  5. Step 5: Solve for x
    x = 6,131,574.73/3,148.39
  6. Step 6: Final answer
    x = 1,947.53

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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.