Home / 1,493.40-2,239.95-382.83

Finding the Fourth Proportional to 1,493.40, 2,239.95 and 382.83

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Solution

The fourth proportional to 1,493.40, 2,239.95 and 382.83 is: 574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.40 : 2,239.95 = 382.83 : x
  2. Step 2: Convert to fraction form
    1,493.40/2,239.95 = 382.83/x
  3. Step 3: Cross multiply
    1,493.40x = 2,239.95 × 382.83
  4. Step 4: Simplify right side
    1,493.40x = 857,520.06
  5. Step 5: Solve for x
    x = 857,520.06/1,493.40
  6. Step 6: Final answer
    x = 574.21

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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.