Home / 3,110.89-4,671.80-2,863.55

Finding the Fourth Proportional to 3,110.89, 4,671.80 and 2,863.55

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Solution

The fourth proportional to 3,110.89, 4,671.80 and 2,863.55 is: 4,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.89 : 4,671.80 = 2,863.55 : x
  2. Step 2: Convert to fraction form
    3,110.89/4,671.80 = 2,863.55/x
  3. Step 3: Cross multiply
    3,110.89x = 4,671.80 × 2,863.55
  4. Step 4: Simplify right side
    3,110.89x = 13,377,916.69
  5. Step 5: Solve for x
    x = 13,377,916.69/3,110.89
  6. Step 6: Final answer
    x = 4,300.35

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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.