Home / 2,671.04-3,685.64-1,551.90

Finding the Fourth Proportional to 2,671.04, 3,685.64 and 1,551.90

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Solution

The fourth proportional to 2,671.04, 3,685.64 and 1,551.90 is: 2,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.04 : 3,685.64 = 1,551.90 : x
  2. Step 2: Convert to fraction form
    2,671.04/3,685.64 = 1,551.90/x
  3. Step 3: Cross multiply
    2,671.04x = 3,685.64 × 1,551.90
  4. Step 4: Simplify right side
    2,671.04x = 5,719,744.72
  5. Step 5: Solve for x
    x = 5,719,744.72/2,671.04
  6. Step 6: Final answer
    x = 2,141.39

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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.