Home / 2,560.21-3,836.70-2,037.89

Finding the Fourth Proportional to 2,560.21, 3,836.70 and 2,037.89

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Solution

The fourth proportional to 2,560.21, 3,836.70 and 2,037.89 is: 3,053.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.21 : 3,836.70 = 2,037.89 : x
  2. Step 2: Convert to fraction form
    2,560.21/3,836.70 = 2,037.89/x
  3. Step 3: Cross multiply
    2,560.21x = 3,836.70 × 2,037.89
  4. Step 4: Simplify right side
    2,560.21x = 7,818,758.47
  5. Step 5: Solve for x
    x = 7,818,758.47/2,560.21
  6. Step 6: Final answer
    x = 3,053.95

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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.