Home / 2,147.95-3,223.16-1,160.76

Finding the Fourth Proportional to 2,147.95, 3,223.16 and 1,160.76

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Solution

The fourth proportional to 2,147.95, 3,223.16 and 1,160.76 is: 1,741.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.95 : 3,223.16 = 1,160.76 : x
  2. Step 2: Convert to fraction form
    2,147.95/3,223.16 = 1,160.76/x
  3. Step 3: Cross multiply
    2,147.95x = 3,223.16 × 1,160.76
  4. Step 4: Simplify right side
    2,147.95x = 3,741,320.36
  5. Step 5: Solve for x
    x = 3,741,320.36/2,147.95
  6. Step 6: Final answer
    x = 1,741.81

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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.