Home / 1,811.26-2,498.93-1,148.02

Finding the Fourth Proportional to 1,811.26, 2,498.93 and 1,148.02

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Solution

The fourth proportional to 1,811.26, 2,498.93 and 1,148.02 is: 1,583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.26 : 2,498.93 = 1,148.02 : x
  2. Step 2: Convert to fraction form
    1,811.26/2,498.93 = 1,148.02/x
  3. Step 3: Cross multiply
    1,811.26x = 2,498.93 × 1,148.02
  4. Step 4: Simplify right side
    1,811.26x = 2,868,821.62
  5. Step 5: Solve for x
    x = 2,868,821.62/1,811.26
  6. Step 6: Final answer
    x = 1,583.88

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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.