Home / 1,816.59-2,507.65-1,227.92

Finding the Fourth Proportional to 1,816.59, 2,507.65 and 1,227.92

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Solution

The fourth proportional to 1,816.59, 2,507.65 and 1,227.92 is: 1,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.59 : 2,507.65 = 1,227.92 : x
  2. Step 2: Convert to fraction form
    1,816.59/2,507.65 = 1,227.92/x
  3. Step 3: Cross multiply
    1,816.59x = 2,507.65 × 1,227.92
  4. Step 4: Simplify right side
    1,816.59x = 3,079,196.79
  5. Step 5: Solve for x
    x = 3,079,196.79/1,816.59
  6. Step 6: Final answer
    x = 1,695.04

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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.