Home / 3,342.40-4,616.12-2,975.92

Finding the Fourth Proportional to 3,342.40, 4,616.12 and 2,975.92

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Solution

The fourth proportional to 3,342.40, 4,616.12 and 2,975.92 is: 4,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.40 : 4,616.12 = 2,975.92 : x
  2. Step 2: Convert to fraction form
    3,342.40/4,616.12 = 2,975.92/x
  3. Step 3: Cross multiply
    3,342.40x = 4,616.12 × 2,975.92
  4. Step 4: Simplify right side
    3,342.40x = 13,737,203.83
  5. Step 5: Solve for x
    x = 13,737,203.83/3,342.40
  6. Step 6: Final answer
    x = 4,109.98

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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.