Home / 2,084.60-3,126.90-1,110.20

Finding the Fourth Proportional to 2,084.60, 3,126.90 and 1,110.20

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Solution

The fourth proportional to 2,084.60, 3,126.90 and 1,110.20 is: 1,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.60 : 3,126.90 = 1,110.20 : x
  2. Step 2: Convert to fraction form
    2,084.60/3,126.90 = 1,110.20/x
  3. Step 3: Cross multiply
    2,084.60x = 3,126.90 × 1,110.20
  4. Step 4: Simplify right side
    2,084.60x = 3,471,484.38
  5. Step 5: Solve for x
    x = 3,471,484.38/2,084.60
  6. Step 6: Final answer
    x = 1,665.30

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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.