Home / 3,947.18-5,918.85-2,304.26

Finding the Fourth Proportional to 3,947.18, 5,918.85 and 2,304.26

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Solution

The fourth proportional to 3,947.18, 5,918.85 and 2,304.26 is: 3,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.18 : 5,918.85 = 2,304.26 : x
  2. Step 2: Convert to fraction form
    3,947.18/5,918.85 = 2,304.26/x
  3. Step 3: Cross multiply
    3,947.18x = 5,918.85 × 2,304.26
  4. Step 4: Simplify right side
    3,947.18x = 13,638,569.30
  5. Step 5: Solve for x
    x = 13,638,569.30/3,947.18
  6. Step 6: Final answer
    x = 3,455.27

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1.5x scale

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.