Home / 2,700.72-4,051.65-1,531.26

Finding the Fourth Proportional to 2,700.72, 4,051.65 and 1,531.26

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Solution

The fourth proportional to 2,700.72, 4,051.65 and 1,531.26 is: 2,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.72 : 4,051.65 = 1,531.26 : x
  2. Step 2: Convert to fraction form
    2,700.72/4,051.65 = 1,531.26/x
  3. Step 3: Cross multiply
    2,700.72x = 4,051.65 × 1,531.26
  4. Step 4: Simplify right side
    2,700.72x = 6,204,129.58
  5. Step 5: Solve for x
    x = 6,204,129.58/2,700.72
  6. Step 6: Final answer
    x = 2,297.21

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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.