Home / 3,387.61-4,674.48-1,895.15

Finding the Fourth Proportional to 3,387.61, 4,674.48 and 1,895.15

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Solution

The fourth proportional to 3,387.61, 4,674.48 and 1,895.15 is: 2,615.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.61 : 4,674.48 = 1,895.15 : x
  2. Step 2: Convert to fraction form
    3,387.61/4,674.48 = 1,895.15/x
  3. Step 3: Cross multiply
    3,387.61x = 4,674.48 × 1,895.15
  4. Step 4: Simplify right side
    3,387.61x = 8,858,819.06
  5. Step 5: Solve for x
    x = 8,858,819.06/3,387.61
  6. Step 6: Final answer
    x = 2,615.07

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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.