Home / 2,439.67-3,658.47-1,660.10

Finding the Fourth Proportional to 2,439.67, 3,658.47 and 1,660.10

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Solution

The fourth proportional to 2,439.67, 3,658.47 and 1,660.10 is: 2,489.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.67 : 3,658.47 = 1,660.10 : x
  2. Step 2: Convert to fraction form
    2,439.67/3,658.47 = 1,660.10/x
  3. Step 3: Cross multiply
    2,439.67x = 3,658.47 × 1,660.10
  4. Step 4: Simplify right side
    2,439.67x = 6,073,401.53
  5. Step 5: Solve for x
    x = 6,073,401.53/2,439.67
  6. Step 6: Final answer
    x = 2,489.44

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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.