Home / 2,325.11-3,488.20-681.62

Finding the Fourth Proportional to 2,325.11, 3,488.20 and 681.62

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Solution

The fourth proportional to 2,325.11, 3,488.20 and 681.62 is: 1,022.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.11 : 3,488.20 = 681.62 : x
  2. Step 2: Convert to fraction form
    2,325.11/3,488.20 = 681.62/x
  3. Step 3: Cross multiply
    2,325.11x = 3,488.20 × 681.62
  4. Step 4: Simplify right side
    2,325.11x = 2,377,607.74
  5. Step 5: Solve for x
    x = 2,377,607.74/2,325.11
  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.