Home / 3,046.39-4,202.40-2,100.53

Finding the Fourth Proportional to 3,046.39, 4,202.40 and 2,100.53

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Solution

The fourth proportional to 3,046.39, 4,202.40 and 2,100.53 is: 2,897.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.39 : 4,202.40 = 2,100.53 : x
  2. Step 2: Convert to fraction form
    3,046.39/4,202.40 = 2,100.53/x
  3. Step 3: Cross multiply
    3,046.39x = 4,202.40 × 2,100.53
  4. Step 4: Simplify right side
    3,046.39x = 8,827,267.27
  5. Step 5: Solve for x
    x = 8,827,267.27/3,046.39
  6. Step 6: Final answer
    x = 2,897.62

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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.