Home / 2,479.84-3,719.04-1,708

Finding the Fourth Proportional to 2,479.84, 3,719.04 and 1,708

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Solution

The fourth proportional to 2,479.84, 3,719.04 and 1,708 is: 2,561.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.84 : 3,719.04 = 1,708 : x
  2. Step 2: Convert to fraction form
    2,479.84/3,719.04 = 1,708/x
  3. Step 3: Cross multiply
    2,479.84x = 3,719.04 × 1,708
  4. Step 4: Simplify right side
    2,479.84x = 6,352,120.32
  5. Step 5: Solve for x
    x = 6,352,120.32/2,479.84
  6. Step 6: Final answer
    x = 2,561.50

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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.