Home / 2,730.68-3,767.80-1,551.59

Finding the Fourth Proportional to 2,730.68, 3,767.80 and 1,551.59

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Solution

The fourth proportional to 2,730.68, 3,767.80 and 1,551.59 is: 2,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.68 : 3,767.80 = 1,551.59 : x
  2. Step 2: Convert to fraction form
    2,730.68/3,767.80 = 1,551.59/x
  3. Step 3: Cross multiply
    2,730.68x = 3,767.80 × 1,551.59
  4. Step 4: Simplify right side
    2,730.68x = 5,846,080.80
  5. Step 5: Solve for x
    x = 5,846,080.80/2,730.68
  6. Step 6: Final answer
    x = 2,140.89

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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.