Home / 2,479.46-3,718.31-1,784.05

Finding the Fourth Proportional to 2,479.46, 3,718.31 and 1,784.05

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Solution

The fourth proportional to 2,479.46, 3,718.31 and 1,784.05 is: 2,675.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.46 : 3,718.31 = 1,784.05 : x
  2. Step 2: Convert to fraction form
    2,479.46/3,718.31 = 1,784.05/x
  3. Step 3: Cross multiply
    2,479.46x = 3,718.31 × 1,784.05
  4. Step 4: Simplify right side
    2,479.46x = 6,633,632.74
  5. Step 5: Solve for x
    x = 6,633,632.74/2,479.46
  6. Step 6: Final answer
    x = 2,675.44

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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.