Home / 3,006.50-4,511.60-1,275.13

Finding the Fourth Proportional to 3,006.50, 4,511.60 and 1,275.13

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Solution

The fourth proportional to 3,006.50, 4,511.60 and 1,275.13 is: 1,913.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.50 : 4,511.60 = 1,275.13 : x
  2. Step 2: Convert to fraction form
    3,006.50/4,511.60 = 1,275.13/x
  3. Step 3: Cross multiply
    3,006.50x = 4,511.60 × 1,275.13
  4. Step 4: Simplify right side
    3,006.50x = 5,752,847.57
  5. Step 5: Solve for x
    x = 5,752,847.57/3,006.50
  6. Step 6: Final answer
    x = 1,913.47

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1.5x scale

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.