Home / 2,832.40-4,247.16-983.32

Finding the Fourth Proportional to 2,832.40, 4,247.16 and 983.32

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Solution

The fourth proportional to 2,832.40, 4,247.16 and 983.32 is: 1,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.40 : 4,247.16 = 983.32 : x
  2. Step 2: Convert to fraction form
    2,832.40/4,247.16 = 983.32/x
  3. Step 3: Cross multiply
    2,832.40x = 4,247.16 × 983.32
  4. Step 4: Simplify right side
    2,832.40x = 4,176,317.37
  5. Step 5: Solve for x
    x = 4,176,317.37/2,832.40
  6. Step 6: Final answer
    x = 1,474.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.