Home / 2,810.51-4,213.94-1,512.89

Finding the Fourth Proportional to 2,810.51, 4,213.94 and 1,512.89

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Solution

The fourth proportional to 2,810.51, 4,213.94 and 1,512.89 is: 2,268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.51 : 4,213.94 = 1,512.89 : x
  2. Step 2: Convert to fraction form
    2,810.51/4,213.94 = 1,512.89/x
  3. Step 3: Cross multiply
    2,810.51x = 4,213.94 × 1,512.89
  4. Step 4: Simplify right side
    2,810.51x = 6,375,199.05
  5. Step 5: Solve for x
    x = 6,375,199.05/2,810.51
  6. Step 6: Final answer
    x = 2,268.35

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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.