Home / 2,010.28-3,015.90-1,086.76

Finding the Fourth Proportional to 2,010.28, 3,015.90 and 1,086.76

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Solution

The fourth proportional to 2,010.28, 3,015.90 and 1,086.76 is: 1,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.28 : 3,015.90 = 1,086.76 : x
  2. Step 2: Convert to fraction form
    2,010.28/3,015.90 = 1,086.76/x
  3. Step 3: Cross multiply
    2,010.28x = 3,015.90 × 1,086.76
  4. Step 4: Simplify right side
    2,010.28x = 3,277,559.48
  5. Step 5: Solve for x
    x = 3,277,559.48/2,010.28
  6. Step 6: Final answer
    x = 1,630.40

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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.