Home / 1,815.94-2,505.92-1,069.93

Finding the Fourth Proportional to 1,815.94, 2,505.92 and 1,069.93

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Solution

The fourth proportional to 1,815.94, 2,505.92 and 1,069.93 is: 1,476.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815.94 : 2,505.92 = 1,069.93 : x
  2. Step 2: Convert to fraction form
    1,815.94/2,505.92 = 1,069.93/x
  3. Step 3: Cross multiply
    1,815.94x = 2,505.92 × 1,069.93
  4. Step 4: Simplify right side
    1,815.94x = 2,681,164.79
  5. Step 5: Solve for x
    x = 2,681,164.79/1,815.94
  6. Step 6: Final answer
    x = 1,476.46

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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.