Home / 2,710.10-3,739.80-1,531.23

Finding the Fourth Proportional to 2,710.10, 3,739.80 and 1,531.23

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Solution

The fourth proportional to 2,710.10, 3,739.80 and 1,531.23 is: 2,113.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.10 : 3,739.80 = 1,531.23 : x
  2. Step 2: Convert to fraction form
    2,710.10/3,739.80 = 1,531.23/x
  3. Step 3: Cross multiply
    2,710.10x = 3,739.80 × 1,531.23
  4. Step 4: Simplify right side
    2,710.10x = 5,726,493.95
  5. Step 5: Solve for x
    x = 5,726,493.95/2,710.10
  6. Step 6: Final answer
    x = 2,113.02

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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.