Home / 3,387.18-4,674.19-1,895.26

Finding the Fourth Proportional to 3,387.18, 4,674.19 and 1,895.26

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Solution

The fourth proportional to 3,387.18, 4,674.19 and 1,895.26 is: 2,615.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.18 : 4,674.19 = 1,895.26 : x
  2. Step 2: Convert to fraction form
    3,387.18/4,674.19 = 1,895.26/x
  3. Step 3: Cross multiply
    3,387.18x = 4,674.19 × 1,895.26
  4. Step 4: Simplify right side
    3,387.18x = 8,858,805.34
  5. Step 5: Solve for x
    x = 8,858,805.34/3,387.18
  6. Step 6: Final answer
    x = 2,615.39

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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.