Home / 1,780.14-2,666.10-1,232.71

Finding the Fourth Proportional to 1,780.14, 2,666.10 and 1,232.71

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Solution

The fourth proportional to 1,780.14, 2,666.10 and 1,232.71 is: 1,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780.14 : 2,666.10 = 1,232.71 : x
  2. Step 2: Convert to fraction form
    1,780.14/2,666.10 = 1,232.71/x
  3. Step 3: Cross multiply
    1,780.14x = 2,666.10 × 1,232.71
  4. Step 4: Simplify right side
    1,780.14x = 3,286,514.80
  5. Step 5: Solve for x
    x = 3,286,514.80/1,780.14
  6. Step 6: Final answer
    x = 1,846.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.