Home / 2,361.24-3,257.28-1,521.72

Finding the Fourth Proportional to 2,361.24, 3,257.28 and 1,521.72

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Solution

The fourth proportional to 2,361.24, 3,257.28 and 1,521.72 is: 2,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.24 : 3,257.28 = 1,521.72 : x
  2. Step 2: Convert to fraction form
    2,361.24/3,257.28 = 1,521.72/x
  3. Step 3: Cross multiply
    2,361.24x = 3,257.28 × 1,521.72
  4. Step 4: Simplify right side
    2,361.24x = 4,956,668.12
  5. Step 5: Solve for x
    x = 4,956,668.12/2,361.24
  6. Step 6: Final answer
    x = 2,099.18

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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.