Home / 3,171.48-4,379.52-2,384.16

Finding the Fourth Proportional to 3,171.48, 4,379.52 and 2,384.16

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Solution

The fourth proportional to 3,171.48, 4,379.52 and 2,384.16 is: 3,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.48 : 4,379.52 = 2,384.16 : x
  2. Step 2: Convert to fraction form
    3,171.48/4,379.52 = 2,384.16/x
  3. Step 3: Cross multiply
    3,171.48x = 4,379.52 × 2,384.16
  4. Step 4: Simplify right side
    3,171.48x = 10,441,476.40
  5. Step 5: Solve for x
    x = 10,441,476.40/3,171.48
  6. Step 6: Final answer
    x = 3,292.30

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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.