Home / 2,088.46-3,134.58-1,115.38

Finding the Fourth Proportional to 2,088.46, 3,134.58 and 1,115.38

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Solution

The fourth proportional to 2,088.46, 3,134.58 and 1,115.38 is: 1,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.46 : 3,134.58 = 1,115.38 : x
  2. Step 2: Convert to fraction form
    2,088.46/3,134.58 = 1,115.38/x
  3. Step 3: Cross multiply
    2,088.46x = 3,134.58 × 1,115.38
  4. Step 4: Simplify right side
    2,088.46x = 3,496,247.84
  5. Step 5: Solve for x
    x = 3,496,247.84/2,088.46
  6. Step 6: Final answer
    x = 1,674.08

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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.