Home / 2,479.50-3,422.52-1,782.90

Finding the Fourth Proportional to 2,479.50, 3,422.52 and 1,782.90

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Solution

The fourth proportional to 2,479.50, 3,422.52 and 1,782.90 is: 2,460.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.50 : 3,422.52 = 1,782.90 : x
  2. Step 2: Convert to fraction form
    2,479.50/3,422.52 = 1,782.90/x
  3. Step 3: Cross multiply
    2,479.50x = 3,422.52 × 1,782.90
  4. Step 4: Simplify right side
    2,479.50x = 6,102,010.91
  5. Step 5: Solve for x
    x = 6,102,010.91/2,479.50
  6. Step 6: Final answer
    x = 2,460.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.