Home / 2,731.02-3,767.79-1,551.18

Finding the Fourth Proportional to 2,731.02, 3,767.79 and 1,551.18

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Solution

The fourth proportional to 2,731.02, 3,767.79 and 1,551.18 is: 2,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.02 : 3,767.79 = 1,551.18 : x
  2. Step 2: Convert to fraction form
    2,731.02/3,767.79 = 1,551.18/x
  3. Step 3: Cross multiply
    2,731.02x = 3,767.79 × 1,551.18
  4. Step 4: Simplify right side
    2,731.02x = 5,844,520.49
  5. Step 5: Solve for x
    x = 5,844,520.49/2,731.02
  6. Step 6: Final answer
    x = 2,140.05

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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.