Home / 1,811.18-2,498.83-1,064.87

Finding the Fourth Proportional to 1,811.18, 2,498.83 and 1,064.87

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Solution

The fourth proportional to 1,811.18, 2,498.83 and 1,064.87 is: 1,469.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.18 : 2,498.83 = 1,064.87 : x
  2. Step 2: Convert to fraction form
    1,811.18/2,498.83 = 1,064.87/x
  3. Step 3: Cross multiply
    1,811.18x = 2,498.83 × 1,064.87
  4. Step 4: Simplify right side
    1,811.18x = 2,660,913.95
  5. Step 5: Solve for x
    x = 2,660,913.95/1,811.18
  6. Step 6: Final answer
    x = 1,469.16

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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.