Home / 2,011.30-3,012.90-1,037.95

Finding the Fourth Proportional to 2,011.30, 3,012.90 and 1,037.95

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Solution

The fourth proportional to 2,011.30, 3,012.90 and 1,037.95 is: 1,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.30 : 3,012.90 = 1,037.95 : x
  2. Step 2: Convert to fraction form
    2,011.30/3,012.90 = 1,037.95/x
  3. Step 3: Cross multiply
    2,011.30x = 3,012.90 × 1,037.95
  4. Step 4: Simplify right side
    2,011.30x = 3,127,239.56
  5. Step 5: Solve for x
    x = 3,127,239.56/2,011.30
  6. Step 6: Final answer
    x = 1,554.83

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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.