Home / 5,159.90-7,742.59-2,240.26

Finding the Fourth Proportional to 5,159.90, 7,742.59 and 2,240.26

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Solution

The fourth proportional to 5,159.90, 7,742.59 and 2,240.26 is: 3,361.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.90 : 7,742.59 = 2,240.26 : x
  2. Step 2: Convert to fraction form
    5,159.90/7,742.59 = 2,240.26/x
  3. Step 3: Cross multiply
    5,159.90x = 7,742.59 × 2,240.26
  4. Step 4: Simplify right side
    5,159.90x = 17,345,389.72
  5. Step 5: Solve for x
    x = 17,345,389.72/5,159.90
  6. Step 6: Final answer
    x = 3,361.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.