Home / 2,325.20-3,488.30-681.62

Finding the Fourth Proportional to 2,325.20, 3,488.30 and 681.62

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Solution

The fourth proportional to 2,325.20, 3,488.30 and 681.62 is: 1,022.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.20 : 3,488.30 = 681.62 : x
  2. Step 2: Convert to fraction form
    2,325.20/3,488.30 = 681.62/x
  3. Step 3: Cross multiply
    2,325.20x = 3,488.30 × 681.62
  4. Step 4: Simplify right side
    2,325.20x = 2,377,695.05
  5. Step 5: Solve for x
    x = 2,377,695.05/2,325.20
  6. Step 6: Final answer
    x = 1,022.58

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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.