Home / 3,240.73-4,470.64-3,114.97

Finding the Fourth Proportional to 3,240.73, 4,470.64 and 3,114.97

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Solution

The fourth proportional to 3,240.73, 4,470.64 and 3,114.97 is: 4,297.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.73 : 4,470.64 = 3,114.97 : x
  2. Step 2: Convert to fraction form
    3,240.73/4,470.64 = 3,114.97/x
  3. Step 3: Cross multiply
    3,240.73x = 4,470.64 × 3,114.97
  4. Step 4: Simplify right side
    3,240.73x = 13,925,933.19
  5. Step 5: Solve for x
    x = 13,925,933.19/3,240.73
  6. Step 6: Final answer
    x = 4,297.17

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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.