Home / 1,512.51-2,268.35-1,072.46

Finding the Fourth Proportional to 1,512.51, 2,268.35 and 1,072.46

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Solution

The fourth proportional to 1,512.51, 2,268.35 and 1,072.46 is: 1,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.51 : 2,268.35 = 1,072.46 : x
  2. Step 2: Convert to fraction form
    1,512.51/2,268.35 = 1,072.46/x
  3. Step 3: Cross multiply
    1,512.51x = 2,268.35 × 1,072.46
  4. Step 4: Simplify right side
    1,512.51x = 2,432,721.76
  5. Step 5: Solve for x
    x = 2,432,721.76/1,512.51
  6. Step 6: Final answer
    x = 1,608.40

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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.