Home / 3,151.08-4,350.42-2,089.77

Finding the Fourth Proportional to 3,151.08, 4,350.42 and 2,089.77

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Solution

The fourth proportional to 3,151.08, 4,350.42 and 2,089.77 is: 2,885.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.08 : 4,350.42 = 2,089.77 : x
  2. Step 2: Convert to fraction form
    3,151.08/4,350.42 = 2,089.77/x
  3. Step 3: Cross multiply
    3,151.08x = 4,350.42 × 2,089.77
  4. Step 4: Simplify right side
    3,151.08x = 9,091,377.20
  5. Step 5: Solve for x
    x = 9,091,377.20/3,151.08
  6. Step 6: Final answer
    x = 2,885.16

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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.