Home / 4,097.20-5,653.20-2,328.64

Finding the Fourth Proportional to 4,097.20, 5,653.20 and 2,328.64

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Solution

The fourth proportional to 4,097.20, 5,653.20 and 2,328.64 is: 3,212.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,097.20 : 5,653.20 = 2,328.64 : x
  2. Step 2: Convert to fraction form
    4,097.20/5,653.20 = 2,328.64/x
  3. Step 3: Cross multiply
    4,097.20x = 5,653.20 × 2,328.64
  4. Step 4: Simplify right side
    4,097.20x = 13,164,267.65
  5. Step 5: Solve for x
    x = 13,164,267.65/4,097.20
  6. Step 6: Final answer
    x = 3,212.99

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Half scale
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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.