Home / 3,298.62-4,947.89-1,325.13

Finding the Fourth Proportional to 3,298.62, 4,947.89 and 1,325.13

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Solution

The fourth proportional to 3,298.62, 4,947.89 and 1,325.13 is: 1,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.62 : 4,947.89 = 1,325.13 : x
  2. Step 2: Convert to fraction form
    3,298.62/4,947.89 = 1,325.13/x
  3. Step 3: Cross multiply
    3,298.62x = 4,947.89 × 1,325.13
  4. Step 4: Simplify right side
    3,298.62x = 6,556,597.48
  5. Step 5: Solve for x
    x = 6,556,597.48/3,298.62
  6. Step 6: Final answer
    x = 1,987.68

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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.