Home / 1,811.58-2,499.14-1,065.52

Finding the Fourth Proportional to 1,811.58, 2,499.14 and 1,065.52

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Solution

The fourth proportional to 1,811.58, 2,499.14 and 1,065.52 is: 1,469.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.58 : 2,499.14 = 1,065.52 : x
  2. Step 2: Convert to fraction form
    1,811.58/2,499.14 = 1,065.52/x
  3. Step 3: Cross multiply
    1,811.58x = 2,499.14 × 1,065.52
  4. Step 4: Simplify right side
    1,811.58x = 2,662,883.65
  5. Step 5: Solve for x
    x = 2,662,883.65/1,811.58
  6. Step 6: Final answer
    x = 1,469.92

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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.