Home / 1,772.87-2,660.72-1,043.06

Finding the Fourth Proportional to 1,772.87, 2,660.72 and 1,043.06

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Solution

The fourth proportional to 1,772.87, 2,660.72 and 1,043.06 is: 1,565.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.87 : 2,660.72 = 1,043.06 : x
  2. Step 2: Convert to fraction form
    1,772.87/2,660.72 = 1,043.06/x
  3. Step 3: Cross multiply
    1,772.87x = 2,660.72 × 1,043.06
  4. Step 4: Simplify right side
    1,772.87x = 2,775,272.08
  5. Step 5: Solve for x
    x = 2,775,272.08/1,772.87
  6. Step 6: Final answer
    x = 1,565.42

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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.