Home / 3,159.90-4,360.71-1,743.65

Finding the Fourth Proportional to 3,159.90, 4,360.71 and 1,743.65

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Solution

The fourth proportional to 3,159.90, 4,360.71 and 1,743.65 is: 2,406.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.90 : 4,360.71 = 1,743.65 : x
  2. Step 2: Convert to fraction form
    3,159.90/4,360.71 = 1,743.65/x
  3. Step 3: Cross multiply
    3,159.90x = 4,360.71 × 1,743.65
  4. Step 4: Simplify right side
    3,159.90x = 7,603,551.99
  5. Step 5: Solve for x
    x = 7,603,551.99/3,159.90
  6. Step 6: Final answer
    x = 2,406.26

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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.