Home / 3,155.61-4,733.88-1,511.85

Finding the Fourth Proportional to 3,155.61, 4,733.88 and 1,511.85

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Solution

The fourth proportional to 3,155.61, 4,733.88 and 1,511.85 is: 2,268.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.61 : 4,733.88 = 1,511.85 : x
  2. Step 2: Convert to fraction form
    3,155.61/4,733.88 = 1,511.85/x
  3. Step 3: Cross multiply
    3,155.61x = 4,733.88 × 1,511.85
  4. Step 4: Simplify right side
    3,155.61x = 7,156,916.48
  5. Step 5: Solve for x
    x = 7,156,916.48/3,155.61
  6. Step 6: Final answer
    x = 2,268.00

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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.