Home / 3,168.76-4,373.08-1,771.52

Finding the Fourth Proportional to 3,168.76, 4,373.08 and 1,771.52

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Solution

The fourth proportional to 3,168.76, 4,373.08 and 1,771.52 is: 2,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.76 : 4,373.08 = 1,771.52 : x
  2. Step 2: Convert to fraction form
    3,168.76/4,373.08 = 1,771.52/x
  3. Step 3: Cross multiply
    3,168.76x = 4,373.08 × 1,771.52
  4. Step 4: Simplify right side
    3,168.76x = 7,746,998.68
  5. Step 5: Solve for x
    x = 7,746,998.68/3,168.76
  6. Step 6: Final answer
    x = 2,444.80

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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.