Home / 3,578.48-4,938.32-2,006.66

Finding the Fourth Proportional to 3,578.48, 4,938.32 and 2,006.66

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Solution

The fourth proportional to 3,578.48, 4,938.32 and 2,006.66 is: 2,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.48 : 4,938.32 = 2,006.66 : x
  2. Step 2: Convert to fraction form
    3,578.48/4,938.32 = 2,006.66/x
  3. Step 3: Cross multiply
    3,578.48x = 4,938.32 × 2,006.66
  4. Step 4: Simplify right side
    3,578.48x = 9,909,529.21
  5. Step 5: Solve for x
    x = 9,909,529.21/3,578.48
  6. Step 6: Final answer
    x = 2,769.20

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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.