Home / 2,479.63-3,719.40-605.55

Finding the Fourth Proportional to 2,479.63, 3,719.40 and 605.55

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Solution

The fourth proportional to 2,479.63, 3,719.40 and 605.55 is: 908.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.63 : 3,719.40 = 605.55 : x
  2. Step 2: Convert to fraction form
    2,479.63/3,719.40 = 605.55/x
  3. Step 3: Cross multiply
    2,479.63x = 3,719.40 × 605.55
  4. Step 4: Simplify right side
    2,479.63x = 2,252,282.67
  5. Step 5: Solve for x
    x = 2,252,282.67/2,479.63
  6. Step 6: Final answer
    x = 908.31

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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.