Home / 3,187.19-4,777.91-1,134.71

Finding the Fourth Proportional to 3,187.19, 4,777.91 and 1,134.71

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Solution

The fourth proportional to 3,187.19, 4,777.91 and 1,134.71 is: 1,701.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.19 : 4,777.91 = 1,134.71 : x
  2. Step 2: Convert to fraction form
    3,187.19/4,777.91 = 1,134.71/x
  3. Step 3: Cross multiply
    3,187.19x = 4,777.91 × 1,134.71
  4. Step 4: Simplify right side
    3,187.19x = 5,421,536.58
  5. Step 5: Solve for x
    x = 5,421,536.58/3,187.19
  6. Step 6: Final answer
    x = 1,701.04

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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.