Home / 3,006.61-4,511.20-1,688.77

Finding the Fourth Proportional to 3,006.61, 4,511.20 and 1,688.77

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Solution

The fourth proportional to 3,006.61, 4,511.20 and 1,688.77 is: 2,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.61 : 4,511.20 = 1,688.77 : x
  2. Step 2: Convert to fraction form
    3,006.61/4,511.20 = 1,688.77/x
  3. Step 3: Cross multiply
    3,006.61x = 4,511.20 × 1,688.77
  4. Step 4: Simplify right side
    3,006.61x = 7,618,397.68
  5. Step 5: Solve for x
    x = 7,618,397.68/3,006.61
  6. Step 6: Final answer
    x = 2,533.88

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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.