Home / 3,006.07-4,148.29-1,661.78

Finding the Fourth Proportional to 3,006.07, 4,148.29 and 1,661.78

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Solution

The fourth proportional to 3,006.07, 4,148.29 and 1,661.78 is: 2,293.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.07 : 4,148.29 = 1,661.78 : x
  2. Step 2: Convert to fraction form
    3,006.07/4,148.29 = 1,661.78/x
  3. Step 3: Cross multiply
    3,006.07x = 4,148.29 × 1,661.78
  4. Step 4: Simplify right side
    3,006.07x = 6,893,545.36
  5. Step 5: Solve for x
    x = 6,893,545.36/3,006.07
  6. Step 6: Final answer
    x = 2,293.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.