Home / 3,387.60-4,674.66-1,895.64

Finding the Fourth Proportional to 3,387.60, 4,674.66 and 1,895.64

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Solution

The fourth proportional to 3,387.60, 4,674.66 and 1,895.64 is: 2,615.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.60 : 4,674.66 = 1,895.64 : x
  2. Step 2: Convert to fraction form
    3,387.60/4,674.66 = 1,895.64/x
  3. Step 3: Cross multiply
    3,387.60x = 4,674.66 × 1,895.64
  4. Step 4: Simplify right side
    3,387.60x = 8,861,472.48
  5. Step 5: Solve for x
    x = 8,861,472.48/3,387.60
  6. Step 6: Final answer
    x = 2,615.86

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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.