Home / 2,358.72-3,252.78-1,604.16

Finding the Fourth Proportional to 2,358.72, 3,252.78 and 1,604.16

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Solution

The fourth proportional to 2,358.72, 3,252.78 and 1,604.16 is: 2,212.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.72 : 3,252.78 = 1,604.16 : x
  2. Step 2: Convert to fraction form
    2,358.72/3,252.78 = 1,604.16/x
  3. Step 3: Cross multiply
    2,358.72x = 3,252.78 × 1,604.16
  4. Step 4: Simplify right side
    2,358.72x = 5,217,979.56
  5. Step 5: Solve for x
    x = 5,217,979.56/2,358.72
  6. Step 6: Final answer
    x = 2,212.21

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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.