Home / 2,785.04-4,176.12-1,052.48

Finding the Fourth Proportional to 2,785.04, 4,176.12 and 1,052.48

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Solution

The fourth proportional to 2,785.04, 4,176.12 and 1,052.48 is: 1,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.04 : 4,176.12 = 1,052.48 : x
  2. Step 2: Convert to fraction form
    2,785.04/4,176.12 = 1,052.48/x
  3. Step 3: Cross multiply
    2,785.04x = 4,176.12 × 1,052.48
  4. Step 4: Simplify right side
    2,785.04x = 4,395,282.78
  5. Step 5: Solve for x
    x = 4,395,282.78/2,785.04
  6. Step 6: Final answer
    x = 1,578.18

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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.