Home / 2,783.52-4,175.28-1,052.16

Finding the Fourth Proportional to 2,783.52, 4,175.28 and 1,052.16

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Solution

The fourth proportional to 2,783.52, 4,175.28 and 1,052.16 is: 1,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.52 : 4,175.28 = 1,052.16 : x
  2. Step 2: Convert to fraction form
    2,783.52/4,175.28 = 1,052.16/x
  3. Step 3: Cross multiply
    2,783.52x = 4,175.28 × 1,052.16
  4. Step 4: Simplify right side
    2,783.52x = 4,393,062.60
  5. Step 5: Solve for x
    x = 4,393,062.60/2,783.52
  6. Step 6: Final answer
    x = 1,578.24

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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.