Home / 2,710.26-3,739.50-1,531.08

Finding the Fourth Proportional to 2,710.26, 3,739.50 and 1,531.08

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Solution

The fourth proportional to 2,710.26, 3,739.50 and 1,531.08 is: 2,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.26 : 3,739.50 = 1,531.08 : x
  2. Step 2: Convert to fraction form
    2,710.26/3,739.50 = 1,531.08/x
  3. Step 3: Cross multiply
    2,710.26x = 3,739.50 × 1,531.08
  4. Step 4: Simplify right side
    2,710.26x = 5,725,473.66
  5. Step 5: Solve for x
    x = 5,725,473.66/2,710.26
  6. Step 6: Final answer
    x = 2,112.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.