Home / 3,391.84-5,087.60-1,416.66

Finding the Fourth Proportional to 3,391.84, 5,087.60 and 1,416.66

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Solution

The fourth proportional to 3,391.84, 5,087.60 and 1,416.66 is: 2,124.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.84 : 5,087.60 = 1,416.66 : x
  2. Step 2: Convert to fraction form
    3,391.84/5,087.60 = 1,416.66/x
  3. Step 3: Cross multiply
    3,391.84x = 5,087.60 × 1,416.66
  4. Step 4: Simplify right side
    3,391.84x = 7,207,399.42
  5. Step 5: Solve for x
    x = 7,207,399.42/3,391.84
  6. Step 6: Final answer
    x = 2,124.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.