Home / 3,323.72-4,585.78-2,145.46

Finding the Fourth Proportional to 3,323.72, 4,585.78 and 2,145.46

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Solution

The fourth proportional to 3,323.72, 4,585.78 and 2,145.46 is: 2,960.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.72 : 4,585.78 = 2,145.46 : x
  2. Step 2: Convert to fraction form
    3,323.72/4,585.78 = 2,145.46/x
  3. Step 3: Cross multiply
    3,323.72x = 4,585.78 × 2,145.46
  4. Step 4: Simplify right side
    3,323.72x = 9,838,607.56
  5. Step 5: Solve for x
    x = 9,838,607.56/3,323.72
  6. Step 6: Final answer
    x = 2,960.12

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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.