Home / 3,006.78-4,528.19-2,645.52

Finding the Fourth Proportional to 3,006.78, 4,528.19 and 2,645.52

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Solution

The fourth proportional to 3,006.78, 4,528.19 and 2,645.52 is: 3,984.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.78 : 4,528.19 = 2,645.52 : x
  2. Step 2: Convert to fraction form
    3,006.78/4,528.19 = 2,645.52/x
  3. Step 3: Cross multiply
    3,006.78x = 4,528.19 × 2,645.52
  4. Step 4: Simplify right side
    3,006.78x = 11,979,403.98
  5. Step 5: Solve for x
    x = 11,979,403.98/3,006.78
  6. Step 6: Final answer
    x = 3,984.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.