Home / 2,506.48-3,458.92-1,387.42

Finding the Fourth Proportional to 2,506.48, 3,458.92 and 1,387.42

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Solution

The fourth proportional to 2,506.48, 3,458.92 and 1,387.42 is: 1,914.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.48 : 3,458.92 = 1,387.42 : x
  2. Step 2: Convert to fraction form
    2,506.48/3,458.92 = 1,387.42/x
  3. Step 3: Cross multiply
    2,506.48x = 3,458.92 × 1,387.42
  4. Step 4: Simplify right side
    2,506.48x = 4,798,950.55
  5. Step 5: Solve for x
    x = 4,798,950.55/2,506.48
  6. Step 6: Final answer
    x = 1,914.62

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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.