Home / 2,040.16-3,059.10-1,391.68

Finding the Fourth Proportional to 2,040.16, 3,059.10 and 1,391.68

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Solution

The fourth proportional to 2,040.16, 3,059.10 and 1,391.68 is: 2,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.16 : 3,059.10 = 1,391.68 : x
  2. Step 2: Convert to fraction form
    2,040.16/3,059.10 = 1,391.68/x
  3. Step 3: Cross multiply
    2,040.16x = 3,059.10 × 1,391.68
  4. Step 4: Simplify right side
    2,040.16x = 4,257,288.29
  5. Step 5: Solve for x
    x = 4,257,288.29/2,040.16
  6. Step 6: Final answer
    x = 2,086.74

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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.