Home / 3,311.09-4,569.62-1,894.49

Finding the Fourth Proportional to 3,311.09, 4,569.62 and 1,894.49

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Solution

The fourth proportional to 3,311.09, 4,569.62 and 1,894.49 is: 2,614.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.09 : 4,569.62 = 1,894.49 : x
  2. Step 2: Convert to fraction form
    3,311.09/4,569.62 = 1,894.49/x
  3. Step 3: Cross multiply
    3,311.09x = 4,569.62 × 1,894.49
  4. Step 4: Simplify right side
    3,311.09x = 8,657,089.92
  5. Step 5: Solve for x
    x = 8,657,089.92/3,311.09
  6. Step 6: Final answer
    x = 2,614.58

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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.