Home / 1,908.59-2,633.65-1,069.31

Finding the Fourth Proportional to 1,908.59, 2,633.65 and 1,069.31

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Solution

The fourth proportional to 1,908.59, 2,633.65 and 1,069.31 is: 1,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.59 : 2,633.65 = 1,069.31 : x
  2. Step 2: Convert to fraction form
    1,908.59/2,633.65 = 1,069.31/x
  3. Step 3: Cross multiply
    1,908.59x = 2,633.65 × 1,069.31
  4. Step 4: Simplify right side
    1,908.59x = 2,816,192.19
  5. Step 5: Solve for x
    x = 2,816,192.19/1,908.59
  6. Step 6: Final answer
    x = 1,475.54

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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.