Home / 2,552.08-3,521.64-1,489.80

Finding the Fourth Proportional to 2,552.08, 3,521.64 and 1,489.80

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Solution

The fourth proportional to 2,552.08, 3,521.64 and 1,489.80 is: 2,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,552.08 : 3,521.64 = 1,489.80 : x
  2. Step 2: Convert to fraction form
    2,552.08/3,521.64 = 1,489.80/x
  3. Step 3: Cross multiply
    2,552.08x = 3,521.64 × 1,489.80
  4. Step 4: Simplify right side
    2,552.08x = 5,246,539.27
  5. Step 5: Solve for x
    x = 5,246,539.27/2,552.08
  6. Step 6: Final answer
    x = 2,055.79

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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.