Home / 3,967.20-5,475.24-2,396.16

Finding the Fourth Proportional to 3,967.20, 5,475.24 and 2,396.16

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Solution

The fourth proportional to 3,967.20, 5,475.24 and 2,396.16 is: 3,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.20 : 5,475.24 = 2,396.16 : x
  2. Step 2: Convert to fraction form
    3,967.20/5,475.24 = 2,396.16/x
  3. Step 3: Cross multiply
    3,967.20x = 5,475.24 × 2,396.16
  4. Step 4: Simplify right side
    3,967.20x = 13,119,551.08
  5. Step 5: Solve for x
    x = 13,119,551.08/3,967.20
  6. Step 6: Final answer
    x = 3,307.01

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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.