Home / 2,799.74-4,199.01-1,412.66

Finding the Fourth Proportional to 2,799.74, 4,199.01 and 1,412.66

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Solution

The fourth proportional to 2,799.74, 4,199.01 and 1,412.66 is: 2,118.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.74 : 4,199.01 = 1,412.66 : x
  2. Step 2: Convert to fraction form
    2,799.74/4,199.01 = 1,412.66/x
  3. Step 3: Cross multiply
    2,799.74x = 4,199.01 × 1,412.66
  4. Step 4: Simplify right side
    2,799.74x = 5,931,773.47
  5. Step 5: Solve for x
    x = 5,931,773.47/2,799.74
  6. Step 6: Final answer
    x = 2,118.69

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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.