Home / 1,052.78-1,579.25-272.77

Finding the Fourth Proportional to 1,052.78, 1,579.25 and 272.77

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Solution

The fourth proportional to 1,052.78, 1,579.25 and 272.77 is: 409.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.78 : 1,579.25 = 272.77 : x
  2. Step 2: Convert to fraction form
    1,052.78/1,579.25 = 272.77/x
  3. Step 3: Cross multiply
    1,052.78x = 1,579.25 × 272.77
  4. Step 4: Simplify right side
    1,052.78x = 430,772.02
  5. Step 5: Solve for x
    x = 430,772.02/1,052.78
  6. Step 6: Final answer
    x = 409.18

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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.