Home / 3,750.14-5,170.02-2,688.77

Finding the Fourth Proportional to 3,750.14, 5,170.02 and 2,688.77

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Solution

The fourth proportional to 3,750.14, 5,170.02 and 2,688.77 is: 3,706.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.14 : 5,170.02 = 2,688.77 : x
  2. Step 2: Convert to fraction form
    3,750.14/5,170.02 = 2,688.77/x
  3. Step 3: Cross multiply
    3,750.14x = 5,170.02 × 2,688.77
  4. Step 4: Simplify right side
    3,750.14x = 13,900,994.68
  5. Step 5: Solve for x
    x = 13,900,994.68/3,750.14
  6. Step 6: Final answer
    x = 3,706.79

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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.