Home / 3,479.15-5,219.55-1,013.99

Finding the Fourth Proportional to 3,479.15, 5,219.55 and 1,013.99

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Solution

The fourth proportional to 3,479.15, 5,219.55 and 1,013.99 is: 1,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.15 : 5,219.55 = 1,013.99 : x
  2. Step 2: Convert to fraction form
    3,479.15/5,219.55 = 1,013.99/x
  3. Step 3: Cross multiply
    3,479.15x = 5,219.55 × 1,013.99
  4. Step 4: Simplify right side
    3,479.15x = 5,292,545.41
  5. Step 5: Solve for x
    x = 5,292,545.41/3,479.15
  6. Step 6: Final answer
    x = 1,521.22

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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.