Home / 3,111.73-4,281.60-3,037.90

Finding the Fourth Proportional to 3,111.73, 4,281.60 and 3,037.90

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Solution

The fourth proportional to 3,111.73, 4,281.60 and 3,037.90 is: 4,180.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.73 : 4,281.60 = 3,037.90 : x
  2. Step 2: Convert to fraction form
    3,111.73/4,281.60 = 3,037.90/x
  3. Step 3: Cross multiply
    3,111.73x = 4,281.60 × 3,037.90
  4. Step 4: Simplify right side
    3,111.73x = 13,007,072.64
  5. Step 5: Solve for x
    x = 13,007,072.64/3,111.73
  6. Step 6: Final answer
    x = 4,180.01

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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.