Home / 1,282.60-1,923.77-552.07

Finding the Fourth Proportional to 1,282.60, 1,923.77 and 552.07

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Solution

The fourth proportional to 1,282.60, 1,923.77 and 552.07 is: 828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282.60 : 1,923.77 = 552.07 : x
  2. Step 2: Convert to fraction form
    1,282.60/1,923.77 = 552.07/x
  3. Step 3: Cross multiply
    1,282.60x = 1,923.77 × 552.07
  4. Step 4: Simplify right side
    1,282.60x = 1,062,052.94
  5. Step 5: Solve for x
    x = 1,062,052.94/1,282.60
  6. Step 6: Final answer
    x = 828.05

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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.