Home / 3,311.69-4,569.55-1,895.13

Finding the Fourth Proportional to 3,311.69, 4,569.55 and 1,895.13

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Solution

The fourth proportional to 3,311.69, 4,569.55 and 1,895.13 is: 2,614.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.69 : 4,569.55 = 1,895.13 : x
  2. Step 2: Convert to fraction form
    3,311.69/4,569.55 = 1,895.13/x
  3. Step 3: Cross multiply
    3,311.69x = 4,569.55 × 1,895.13
  4. Step 4: Simplify right side
    3,311.69x = 8,659,886.55
  5. Step 5: Solve for x
    x = 8,659,886.55/3,311.69
  6. Step 6: Final answer
    x = 2,614.95

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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.