Home / 3,389.66-4,677.47-2,063.21

Finding the Fourth Proportional to 3,389.66, 4,677.47 and 2,063.21

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Solution

The fourth proportional to 3,389.66, 4,677.47 and 2,063.21 is: 2,847.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.66 : 4,677.47 = 2,063.21 : x
  2. Step 2: Convert to fraction form
    3,389.66/4,677.47 = 2,063.21/x
  3. Step 3: Cross multiply
    3,389.66x = 4,677.47 × 2,063.21
  4. Step 4: Simplify right side
    3,389.66x = 9,650,604.26
  5. Step 5: Solve for x
    x = 9,650,604.26/3,389.66
  6. Step 6: Final answer
    x = 2,847.08

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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.