Home / 3,115.13-4,674.18-1,944.82

Finding the Fourth Proportional to 3,115.13, 4,674.18 and 1,944.82

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Solution

The fourth proportional to 3,115.13, 4,674.18 and 1,944.82 is: 2,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.13 : 4,674.18 = 1,944.82 : x
  2. Step 2: Convert to fraction form
    3,115.13/4,674.18 = 1,944.82/x
  3. Step 3: Cross multiply
    3,115.13x = 4,674.18 × 1,944.82
  4. Step 4: Simplify right side
    3,115.13x = 9,090,438.75
  5. Step 5: Solve for x
    x = 9,090,438.75/3,115.13
  6. Step 6: Final answer
    x = 2,918.16

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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.