Home / 1,790.53-2,470.43-1,161.08

Finding the Fourth Proportional to 1,790.53, 2,470.43 and 1,161.08

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Solution

The fourth proportional to 1,790.53, 2,470.43 and 1,161.08 is: 1,601.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.53 : 2,470.43 = 1,161.08 : x
  2. Step 2: Convert to fraction form
    1,790.53/2,470.43 = 1,161.08/x
  3. Step 3: Cross multiply
    1,790.53x = 2,470.43 × 1,161.08
  4. Step 4: Simplify right side
    1,790.53x = 2,868,367.24
  5. Step 5: Solve for x
    x = 2,868,367.24/1,790.53
  6. Step 6: Final answer
    x = 1,601.97

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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.