Home / 3,111.23-4,671.51-2,677.21

Finding the Fourth Proportional to 3,111.23, 4,671.51 and 2,677.21

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Solution

The fourth proportional to 3,111.23, 4,671.51 and 2,677.21 is: 4,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.23 : 4,671.51 = 2,677.21 : x
  2. Step 2: Convert to fraction form
    3,111.23/4,671.51 = 2,677.21/x
  3. Step 3: Cross multiply
    3,111.23x = 4,671.51 × 2,677.21
  4. Step 4: Simplify right side
    3,111.23x = 12,506,613.29
  5. Step 5: Solve for x
    x = 12,506,613.29/3,111.23
  6. Step 6: Final answer
    x = 4,019.83

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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.