Home / 2,860.88-3,946.85-1,740.92

Finding the Fourth Proportional to 2,860.88, 3,946.85 and 1,740.92

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Solution

The fourth proportional to 2,860.88, 3,946.85 and 1,740.92 is: 2,401.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.88 : 3,946.85 = 1,740.92 : x
  2. Step 2: Convert to fraction form
    2,860.88/3,946.85 = 1,740.92/x
  3. Step 3: Cross multiply
    2,860.88x = 3,946.85 × 1,740.92
  4. Step 4: Simplify right side
    2,860.88x = 6,871,121.66
  5. Step 5: Solve for x
    x = 6,871,121.66/2,860.88
  6. Step 6: Final answer
    x = 2,401.76

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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.