Home / 3,444.65-5,178.51-2,758.83

Finding the Fourth Proportional to 3,444.65, 5,178.51 and 2,758.83

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Solution

The fourth proportional to 3,444.65, 5,178.51 and 2,758.83 is: 4,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,444.65 : 5,178.51 = 2,758.83 : x
  2. Step 2: Convert to fraction form
    3,444.65/5,178.51 = 2,758.83/x
  3. Step 3: Cross multiply
    3,444.65x = 5,178.51 × 2,758.83
  4. Step 4: Simplify right side
    3,444.65x = 14,286,628.74
  5. Step 5: Solve for x
    x = 14,286,628.74/3,444.65
  6. Step 6: Final answer
    x = 4,147.48

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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.