Home / 1,654.21-2,493.61-1,424.98

Finding the Fourth Proportional to 1,654.21, 2,493.61 and 1,424.98

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Solution

The fourth proportional to 1,654.21, 2,493.61 and 1,424.98 is: 2,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.21 : 2,493.61 = 1,424.98 : x
  2. Step 2: Convert to fraction form
    1,654.21/2,493.61 = 1,424.98/x
  3. Step 3: Cross multiply
    1,654.21x = 2,493.61 × 1,424.98
  4. Step 4: Simplify right side
    1,654.21x = 3,553,344.38
  5. Step 5: Solve for x
    x = 3,553,344.38/1,654.21
  6. Step 6: Final answer
    x = 2,148.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.