Home / 2,785.44-4,178.16-1,632

Finding the Fourth Proportional to 2,785.44, 4,178.16 and 1,632

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Solution

The fourth proportional to 2,785.44, 4,178.16 and 1,632 is: 2,448

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.44 : 4,178.16 = 1,632 : x
  2. Step 2: Convert to fraction form
    2,785.44/4,178.16 = 1,632/x
  3. Step 3: Cross multiply
    2,785.44x = 4,178.16 × 1,632
  4. Step 4: Simplify right side
    2,785.44x = 6,818,757.12
  5. Step 5: Solve for x
    x = 6,818,757.12/2,785.44
  6. Step 6: Final answer
    x = 2,448

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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.