Home / 3,355.27-4,632.47-2,179.69

Finding the Fourth Proportional to 3,355.27, 4,632.47 and 2,179.69

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Solution

The fourth proportional to 3,355.27, 4,632.47 and 2,179.69 is: 3,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.27 : 4,632.47 = 2,179.69 : x
  2. Step 2: Convert to fraction form
    3,355.27/4,632.47 = 2,179.69/x
  3. Step 3: Cross multiply
    3,355.27x = 4,632.47 × 2,179.69
  4. Step 4: Simplify right side
    3,355.27x = 10,097,337.64
  5. Step 5: Solve for x
    x = 10,097,337.64/3,355.27
  6. Step 6: Final answer
    x = 3,009.40

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Half scale
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Double scale
Find fourth proportional to 3,356.27, 4,633.85 and 2,180.69
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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.