Home / 2,506.11-3,458.25-1,387.01

Finding the Fourth Proportional to 2,506.11, 3,458.25 and 1,387.01

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Solution

The fourth proportional to 2,506.11, 3,458.25 and 1,387.01 is: 1,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.11 : 3,458.25 = 1,387.01 : x
  2. Step 2: Convert to fraction form
    2,506.11/3,458.25 = 1,387.01/x
  3. Step 3: Cross multiply
    2,506.11x = 3,458.25 × 1,387.01
  4. Step 4: Simplify right side
    2,506.11x = 4,796,610.04
  5. Step 5: Solve for x
    x = 4,796,610.04/2,506.11
  6. Step 6: Final answer
    x = 1,913.97

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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.