Home / 2,710.68-3,740.73-1,531.74

Finding the Fourth Proportional to 2,710.68, 3,740.73 and 1,531.74

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Solution

The fourth proportional to 2,710.68, 3,740.73 and 1,531.74 is: 2,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.68 : 3,740.73 = 1,531.74 : x
  2. Step 2: Convert to fraction form
    2,710.68/3,740.73 = 1,531.74/x
  3. Step 3: Cross multiply
    2,710.68x = 3,740.73 × 1,531.74
  4. Step 4: Simplify right side
    2,710.68x = 5,729,825.77
  5. Step 5: Solve for x
    x = 5,729,825.77/2,710.68
  6. Step 6: Final answer
    x = 2,113.80

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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.