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Finding the Fourth Proportional to 2,487.48, 3,435.48 and 1,934.64

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Solution

The fourth proportional to 2,487.48, 3,435.48 and 1,934.64 is: 2,671.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.48 : 3,435.48 = 1,934.64 : x
  2. Step 2: Convert to fraction form
    2,487.48/3,435.48 = 1,934.64/x
  3. Step 3: Cross multiply
    2,487.48x = 3,435.48 × 1,934.64
  4. Step 4: Simplify right side
    2,487.48x = 6,646,417.03
  5. Step 5: Solve for x
    x = 6,646,417.03/2,487.48
  6. Step 6: Final answer
    x = 2,671.95

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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.