Home / 2,730.14-3,767.44-1,551.12

Finding the Fourth Proportional to 2,730.14, 3,767.44 and 1,551.12

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Solution

The fourth proportional to 2,730.14, 3,767.44 and 1,551.12 is: 2,140.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.14 : 3,767.44 = 1,551.12 : x
  2. Step 2: Convert to fraction form
    2,730.14/3,767.44 = 1,551.12/x
  3. Step 3: Cross multiply
    2,730.14x = 3,767.44 × 1,551.12
  4. Step 4: Simplify right side
    2,730.14x = 5,843,751.53
  5. Step 5: Solve for x
    x = 5,843,751.53/2,730.14
  6. Step 6: Final answer
    x = 2,140.46

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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.