Home / 3,151.72-4,727.58-1,204.12

Finding the Fourth Proportional to 3,151.72, 4,727.58 and 1,204.12

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Solution

The fourth proportional to 3,151.72, 4,727.58 and 1,204.12 is: 1,806.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.72 : 4,727.58 = 1,204.12 : x
  2. Step 2: Convert to fraction form
    3,151.72/4,727.58 = 1,204.12/x
  3. Step 3: Cross multiply
    3,151.72x = 4,727.58 × 1,204.12
  4. Step 4: Simplify right side
    3,151.72x = 5,692,573.63
  5. Step 5: Solve for x
    x = 5,692,573.63/3,151.72
  6. Step 6: Final answer
    x = 1,806.18

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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.