Home / 1,811.14-2,497.18-1,530.88

Finding the Fourth Proportional to 1,811.14, 2,497.18 and 1,530.88

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Solution

The fourth proportional to 1,811.14, 2,497.18 and 1,530.88 is: 2,110.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.14 : 2,497.18 = 1,530.88 : x
  2. Step 2: Convert to fraction form
    1,811.14/2,497.18 = 1,530.88/x
  3. Step 3: Cross multiply
    1,811.14x = 2,497.18 × 1,530.88
  4. Step 4: Simplify right side
    1,811.14x = 3,822,882.92
  5. Step 5: Solve for x
    x = 3,822,882.92/1,811.14
  6. Step 6: Final answer
    x = 2,110.76

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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.