Home / 2,578.17-3,559.38-1,869.33

Finding the Fourth Proportional to 2,578.17, 3,559.38 and 1,869.33

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Solution

The fourth proportional to 2,578.17, 3,559.38 and 1,869.33 is: 2,580.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.17 : 3,559.38 = 1,869.33 : x
  2. Step 2: Convert to fraction form
    2,578.17/3,559.38 = 1,869.33/x
  3. Step 3: Cross multiply
    2,578.17x = 3,559.38 × 1,869.33
  4. Step 4: Simplify right side
    2,578.17x = 6,653,650.02
  5. Step 5: Solve for x
    x = 6,653,650.02/2,578.17
  6. Step 6: Final answer
    x = 2,580.77

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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.