Home / 2,772.83-4,159.25-1,384.08

Finding the Fourth Proportional to 2,772.83, 4,159.25 and 1,384.08

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Solution

The fourth proportional to 2,772.83, 4,159.25 and 1,384.08 is: 2,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.83 : 4,159.25 = 1,384.08 : x
  2. Step 2: Convert to fraction form
    2,772.83/4,159.25 = 1,384.08/x
  3. Step 3: Cross multiply
    2,772.83x = 4,159.25 × 1,384.08
  4. Step 4: Simplify right side
    2,772.83x = 5,756,727.82
  5. Step 5: Solve for x
    x = 5,756,727.82/2,772.83
  6. Step 6: Final answer
    x = 2,076.12

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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.