Home / 3,484.92-5,228.18-1,145.12

Finding the Fourth Proportional to 3,484.92, 5,228.18 and 1,145.12

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Solution

The fourth proportional to 3,484.92, 5,228.18 and 1,145.12 is: 1,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.92 : 5,228.18 = 1,145.12 : x
  2. Step 2: Convert to fraction form
    3,484.92/5,228.18 = 1,145.12/x
  3. Step 3: Cross multiply
    3,484.92x = 5,228.18 × 1,145.12
  4. Step 4: Simplify right side
    3,484.92x = 5,986,909.41
  5. Step 5: Solve for x
    x = 5,986,909.41/3,484.92
  6. Step 6: Final answer
    x = 1,717.95

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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.