Home / 3,671.87-5,065.80-2,717.06

Finding the Fourth Proportional to 3,671.87, 5,065.80 and 2,717.06

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Solution

The fourth proportional to 3,671.87, 5,065.80 and 2,717.06 is: 3,748.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.87 : 5,065.80 = 2,717.06 : x
  2. Step 2: Convert to fraction form
    3,671.87/5,065.80 = 2,717.06/x
  3. Step 3: Cross multiply
    3,671.87x = 5,065.80 × 2,717.06
  4. Step 4: Simplify right side
    3,671.87x = 13,764,068.96
  5. Step 5: Solve for x
    x = 13,764,068.96/3,671.87
  6. Step 6: Final answer
    x = 3,748.52

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1.5x scale

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.