Home / 3,333.12-4,601.64-2,215.56

Finding the Fourth Proportional to 3,333.12, 4,601.64 and 2,215.56

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Solution

The fourth proportional to 3,333.12, 4,601.64 and 2,215.56 is: 3,058.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.12 : 4,601.64 = 2,215.56 : x
  2. Step 2: Convert to fraction form
    3,333.12/4,601.64 = 2,215.56/x
  3. Step 3: Cross multiply
    3,333.12x = 4,601.64 × 2,215.56
  4. Step 4: Simplify right side
    3,333.12x = 10,195,209.52
  5. Step 5: Solve for x
    x = 10,195,209.52/3,333.12
  6. Step 6: Final answer
    x = 3,058.76

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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.