Home / 3,168.04-4,373.07-1,909.15

Finding the Fourth Proportional to 3,168.04, 4,373.07 and 1,909.15

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Solution

The fourth proportional to 3,168.04, 4,373.07 and 1,909.15 is: 2,635.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.04 : 4,373.07 = 1,909.15 : x
  2. Step 2: Convert to fraction form
    3,168.04/4,373.07 = 1,909.15/x
  3. Step 3: Cross multiply
    3,168.04x = 4,373.07 × 1,909.15
  4. Step 4: Simplify right side
    3,168.04x = 8,348,815.18
  5. Step 5: Solve for x
    x = 8,348,815.18/3,168.04
  6. Step 6: Final answer
    x = 2,635.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.