Home / 2,052.96-2,833.28-1,121.60

Finding the Fourth Proportional to 2,052.96, 2,833.28 and 1,121.60

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Solution

The fourth proportional to 2,052.96, 2,833.28 and 1,121.60 is: 1,547.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.96 : 2,833.28 = 1,121.60 : x
  2. Step 2: Convert to fraction form
    2,052.96/2,833.28 = 1,121.60/x
  3. Step 3: Cross multiply
    2,052.96x = 2,833.28 × 1,121.60
  4. Step 4: Simplify right side
    2,052.96x = 3,177,806.85
  5. Step 5: Solve for x
    x = 3,177,806.85/2,052.96
  6. Step 6: Final answer
    x = 1,547.91

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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.