Home / 4,311.84-5,943.44-2,912.16

Finding the Fourth Proportional to 4,311.84, 5,943.44 and 2,912.16

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Solution

The fourth proportional to 4,311.84, 5,943.44 and 2,912.16 is: 4,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.84 : 5,943.44 = 2,912.16 : x
  2. Step 2: Convert to fraction form
    4,311.84/5,943.44 = 2,912.16/x
  3. Step 3: Cross multiply
    4,311.84x = 5,943.44 × 2,912.16
  4. Step 4: Simplify right side
    4,311.84x = 17,308,248.23
  5. Step 5: Solve for x
    x = 17,308,248.23/4,311.84
  6. Step 6: Final answer
    x = 4,014.12

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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.