Home / 3,073.15-4,241.01-2,178.46

Finding the Fourth Proportional to 3,073.15, 4,241.01 and 2,178.46

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Solution

The fourth proportional to 3,073.15, 4,241.01 and 2,178.46 is: 3,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.15 : 4,241.01 = 2,178.46 : x
  2. Step 2: Convert to fraction form
    3,073.15/4,241.01 = 2,178.46/x
  3. Step 3: Cross multiply
    3,073.15x = 4,241.01 × 2,178.46
  4. Step 4: Simplify right side
    3,073.15x = 9,238,870.64
  5. Step 5: Solve for x
    x = 9,238,870.64/3,073.15
  6. Step 6: Final answer
    x = 3,006.32

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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.