Home / 3,972.40-5,482.36-2,294.25

Finding the Fourth Proportional to 3,972.40, 5,482.36 and 2,294.25

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Solution

The fourth proportional to 3,972.40, 5,482.36 and 2,294.25 is: 3,166.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.40 : 5,482.36 = 2,294.25 : x
  2. Step 2: Convert to fraction form
    3,972.40/5,482.36 = 2,294.25/x
  3. Step 3: Cross multiply
    3,972.40x = 5,482.36 × 2,294.25
  4. Step 4: Simplify right side
    3,972.40x = 12,577,904.43
  5. Step 5: Solve for x
    x = 12,577,904.43/3,972.40
  6. Step 6: Final answer
    x = 3,166.32

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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.