Home / 2,730.82-3,768.79-1,612.10

Finding the Fourth Proportional to 2,730.82, 3,768.79 and 1,612.10

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Solution

The fourth proportional to 2,730.82, 3,768.79 and 1,612.10 is: 2,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.82 : 3,768.79 = 1,612.10 : x
  2. Step 2: Convert to fraction form
    2,730.82/3,768.79 = 1,612.10/x
  3. Step 3: Cross multiply
    2,730.82x = 3,768.79 × 1,612.10
  4. Step 4: Simplify right side
    2,730.82x = 6,075,666.36
  5. Step 5: Solve for x
    x = 6,075,666.36/2,730.82
  6. Step 6: Final answer
    x = 2,224.85

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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.