Home / 2,811.51-4,218.18-1,350.47

Finding the Fourth Proportional to 2,811.51, 4,218.18 and 1,350.47

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Solution

The fourth proportional to 2,811.51, 4,218.18 and 1,350.47 is: 2,026.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811.51 : 4,218.18 = 1,350.47 : x
  2. Step 2: Convert to fraction form
    2,811.51/4,218.18 = 1,350.47/x
  3. Step 3: Cross multiply
    2,811.51x = 4,218.18 × 1,350.47
  4. Step 4: Simplify right side
    2,811.51x = 5,696,531.03
  5. Step 5: Solve for x
    x = 5,696,531.03/2,811.51
  6. Step 6: Final answer
    x = 2,026.15

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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.