Home / 2,559.93-3,531.29-1,511.79

Finding the Fourth Proportional to 2,559.93, 3,531.29 and 1,511.79

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Solution

The fourth proportional to 2,559.93, 3,531.29 and 1,511.79 is: 2,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.93 : 3,531.29 = 1,511.79 : x
  2. Step 2: Convert to fraction form
    2,559.93/3,531.29 = 1,511.79/x
  3. Step 3: Cross multiply
    2,559.93x = 3,531.29 × 1,511.79
  4. Step 4: Simplify right side
    2,559.93x = 5,338,568.91
  5. Step 5: Solve for x
    x = 5,338,568.91/2,559.93
  6. Step 6: Final answer
    x = 2,085.44

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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.