Home / 2,084.76-3,127.85-1,110.20

Finding the Fourth Proportional to 2,084.76, 3,127.85 and 1,110.20

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Solution

The fourth proportional to 2,084.76, 3,127.85 and 1,110.20 is: 1,665.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.76 : 3,127.85 = 1,110.20 : x
  2. Step 2: Convert to fraction form
    2,084.76/3,127.85 = 1,110.20/x
  3. Step 3: Cross multiply
    2,084.76x = 3,127.85 × 1,110.20
  4. Step 4: Simplify right side
    2,084.76x = 3,472,517.88
  5. Step 5: Solve for x
    x = 3,472,517.88/2,084.76
  6. Step 6: Final answer
    x = 1,665.67

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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.