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Finding the Fourth Proportional to 2,458.01, 3,681.01 and 1,288.99

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Solution

The fourth proportional to 2,458.01, 3,681.01 and 1,288.99 is: 1,930.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.01 : 3,681.01 = 1,288.99 : x
  2. Step 2: Convert to fraction form
    2,458.01/3,681.01 = 1,288.99/x
  3. Step 3: Cross multiply
    2,458.01x = 3,681.01 × 1,288.99
  4. Step 4: Simplify right side
    2,458.01x = 4,744,785.08
  5. Step 5: Solve for x
    x = 4,744,785.08/2,458.01
  6. Step 6: Final answer
    x = 1,930.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.