Home / 3,406.80-4,721.12-3,341.19

Finding the Fourth Proportional to 3,406.80, 4,721.12 and 3,341.19

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Solution

The fourth proportional to 3,406.80, 4,721.12 and 3,341.19 is: 4,630.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.80 : 4,721.12 = 3,341.19 : x
  2. Step 2: Convert to fraction form
    3,406.80/4,721.12 = 3,341.19/x
  3. Step 3: Cross multiply
    3,406.80x = 4,721.12 × 3,341.19
  4. Step 4: Simplify right side
    3,406.80x = 15,774,142.23
  5. Step 5: Solve for x
    x = 15,774,142.23/3,406.80
  6. Step 6: Final answer
    x = 4,630.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.