Home / 2,810.64-4,214.68-1,511.76

Finding the Fourth Proportional to 2,810.64, 4,214.68 and 1,511.76

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Solution

The fourth proportional to 2,810.64, 4,214.68 and 1,511.76 is: 2,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.64 : 4,214.68 = 1,511.76 : x
  2. Step 2: Convert to fraction form
    2,810.64/4,214.68 = 1,511.76/x
  3. Step 3: Cross multiply
    2,810.64x = 4,214.68 × 1,511.76
  4. Step 4: Simplify right side
    2,810.64x = 6,371,584.64
  5. Step 5: Solve for x
    x = 6,371,584.64/2,810.64
  6. Step 6: Final answer
    x = 2,266.95

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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.