Home / 3,118.46-4,303.79-2,331.14

Finding the Fourth Proportional to 3,118.46, 4,303.79 and 2,331.14

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Solution

The fourth proportional to 3,118.46, 4,303.79 and 2,331.14 is: 3,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.46 : 4,303.79 = 2,331.14 : x
  2. Step 2: Convert to fraction form
    3,118.46/4,303.79 = 2,331.14/x
  3. Step 3: Cross multiply
    3,118.46x = 4,303.79 × 2,331.14
  4. Step 4: Simplify right side
    3,118.46x = 10,032,737.02
  5. Step 5: Solve for x
    x = 10,032,737.02/3,118.46
  6. Step 6: Final answer
    x = 3,217.21

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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.