Home / 1,727.80-2,384.41-1,065.08

Finding the Fourth Proportional to 1,727.80, 2,384.41 and 1,065.08

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Solution

The fourth proportional to 1,727.80, 2,384.41 and 1,065.08 is: 1,469.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.80 : 2,384.41 = 1,065.08 : x
  2. Step 2: Convert to fraction form
    1,727.80/2,384.41 = 1,065.08/x
  3. Step 3: Cross multiply
    1,727.80x = 2,384.41 × 1,065.08
  4. Step 4: Simplify right side
    1,727.80x = 2,539,590.70
  5. Step 5: Solve for x
    x = 2,539,590.70/1,727.80
  6. Step 6: Final answer
    x = 1,469.84

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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.