Home / 2,521.60-3,481.50-1,859.20

Finding the Fourth Proportional to 2,521.60, 3,481.50 and 1,859.20

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Solution

The fourth proportional to 2,521.60, 3,481.50 and 1,859.20 is: 2,566.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.60 : 3,481.50 = 1,859.20 : x
  2. Step 2: Convert to fraction form
    2,521.60/3,481.50 = 1,859.20/x
  3. Step 3: Cross multiply
    2,521.60x = 3,481.50 × 1,859.20
  4. Step 4: Simplify right side
    2,521.60x = 6,472,804.80
  5. Step 5: Solve for x
    x = 6,472,804.80/2,521.60
  6. Step 6: Final answer
    x = 2,566.94

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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.