Home / 3,342.11-4,617.66-2,639.34

Finding the Fourth Proportional to 3,342.11, 4,617.66 and 2,639.34

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Solution

The fourth proportional to 3,342.11, 4,617.66 and 2,639.34 is: 3,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.11 : 4,617.66 = 2,639.34 : x
  2. Step 2: Convert to fraction form
    3,342.11/4,617.66 = 2,639.34/x
  3. Step 3: Cross multiply
    3,342.11x = 4,617.66 × 2,639.34
  4. Step 4: Simplify right side
    3,342.11x = 12,187,574.74
  5. Step 5: Solve for x
    x = 12,187,574.74/3,342.11
  6. Step 6: Final answer
    x = 3,646.68

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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.