Home / 2,134.60-3,189.38-2,095.57

Finding the Fourth Proportional to 2,134.60, 3,189.38 and 2,095.57

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Solution

The fourth proportional to 2,134.60, 3,189.38 and 2,095.57 is: 3,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.60 : 3,189.38 = 2,095.57 : x
  2. Step 2: Convert to fraction form
    2,134.60/3,189.38 = 2,095.57/x
  3. Step 3: Cross multiply
    2,134.60x = 3,189.38 × 2,095.57
  4. Step 4: Simplify right side
    2,134.60x = 6,683,562.56
  5. Step 5: Solve for x
    x = 6,683,562.56/2,134.60
  6. Step 6: Final answer
    x = 3,131.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.