Home / 3,387.94-4,674.68-1,895.57

Finding the Fourth Proportional to 3,387.94, 4,674.68 and 1,895.57

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Solution

The fourth proportional to 3,387.94, 4,674.68 and 1,895.57 is: 2,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.94 : 4,674.68 = 1,895.57 : x
  2. Step 2: Convert to fraction form
    3,387.94/4,674.68 = 1,895.57/x
  3. Step 3: Cross multiply
    3,387.94x = 4,674.68 × 1,895.57
  4. Step 4: Simplify right side
    3,387.94x = 8,861,164.53
  5. Step 5: Solve for x
    x = 8,861,164.53/3,387.94
  6. Step 6: Final answer
    x = 2,615.50

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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.