Home / 2,716.84-4,055.54-2,388.79

Finding the Fourth Proportional to 2,716.84, 4,055.54 and 2,388.79

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Solution

The fourth proportional to 2,716.84, 4,055.54 and 2,388.79 is: 3,565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.84 : 4,055.54 = 2,388.79 : x
  2. Step 2: Convert to fraction form
    2,716.84/4,055.54 = 2,388.79/x
  3. Step 3: Cross multiply
    2,716.84x = 4,055.54 × 2,388.79
  4. Step 4: Simplify right side
    2,716.84x = 9,687,833.40
  5. Step 5: Solve for x
    x = 9,687,833.40/2,716.84
  6. Step 6: Final answer
    x = 3,565.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.