Home / 2,304.18-3,179.43-1,420.26

Finding the Fourth Proportional to 2,304.18, 3,179.43 and 1,420.26

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Solution

The fourth proportional to 2,304.18, 3,179.43 and 1,420.26 is: 1,959.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.18 : 3,179.43 = 1,420.26 : x
  2. Step 2: Convert to fraction form
    2,304.18/3,179.43 = 1,420.26/x
  3. Step 3: Cross multiply
    2,304.18x = 3,179.43 × 1,420.26
  4. Step 4: Simplify right side
    2,304.18x = 4,515,617.25
  5. Step 5: Solve for x
    x = 4,515,617.25/2,304.18
  6. Step 6: Final answer
    x = 1,959.75

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1.5x scale

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.