Home / 1,859.33-2,566.29-1,113.72

Finding the Fourth Proportional to 1,859.33, 2,566.29 and 1,113.72

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Solution

The fourth proportional to 1,859.33, 2,566.29 and 1,113.72 is: 1,537.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.33 : 2,566.29 = 1,113.72 : x
  2. Step 2: Convert to fraction form
    1,859.33/2,566.29 = 1,113.72/x
  3. Step 3: Cross multiply
    1,859.33x = 2,566.29 × 1,113.72
  4. Step 4: Simplify right side
    1,859.33x = 2,858,132.68
  5. Step 5: Solve for x
    x = 2,858,132.68/1,859.33
  6. Step 6: Final answer
    x = 1,537.19

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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.