Home / 3,412.04-4,688.20-2,712.20

Finding the Fourth Proportional to 3,412.04, 4,688.20 and 2,712.20

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Solution

The fourth proportional to 3,412.04, 4,688.20 and 2,712.20 is: 3,726.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.04 : 4,688.20 = 2,712.20 : x
  2. Step 2: Convert to fraction form
    3,412.04/4,688.20 = 2,712.20/x
  3. Step 3: Cross multiply
    3,412.04x = 4,688.20 × 2,712.20
  4. Step 4: Simplify right side
    3,412.04x = 12,715,336.04
  5. Step 5: Solve for x
    x = 12,715,336.04/3,412.04
  6. Step 6: Final answer
    x = 3,726.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.