Home / 3,832.42-5,288.63-2,153.79

Finding the Fourth Proportional to 3,832.42, 5,288.63 and 2,153.79

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Solution

The fourth proportional to 3,832.42, 5,288.63 and 2,153.79 is: 2,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.42 : 5,288.63 = 2,153.79 : x
  2. Step 2: Convert to fraction form
    3,832.42/5,288.63 = 2,153.79/x
  3. Step 3: Cross multiply
    3,832.42x = 5,288.63 × 2,153.79
  4. Step 4: Simplify right side
    3,832.42x = 11,390,598.41
  5. Step 5: Solve for x
    x = 11,390,598.41/3,832.42
  6. Step 6: Final answer
    x = 2,972.17

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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.