Home / 1,890.29-2,822.68-1,544.30

Finding the Fourth Proportional to 1,890.29, 2,822.68 and 1,544.30

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Solution

The fourth proportional to 1,890.29, 2,822.68 and 1,544.30 is: 2,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.29 : 2,822.68 = 1,544.30 : x
  2. Step 2: Convert to fraction form
    1,890.29/2,822.68 = 1,544.30/x
  3. Step 3: Cross multiply
    1,890.29x = 2,822.68 × 1,544.30
  4. Step 4: Simplify right side
    1,890.29x = 4,359,050.61
  5. Step 5: Solve for x
    x = 4,359,050.61/1,890.29
  6. Step 6: Final answer
    x = 2,306.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.