Home / 3,631.16-5,007.60-2,370.80

Finding the Fourth Proportional to 3,631.16, 5,007.60 and 2,370.80

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Solution

The fourth proportional to 3,631.16, 5,007.60 and 2,370.80 is: 3,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.16 : 5,007.60 = 2,370.80 : x
  2. Step 2: Convert to fraction form
    3,631.16/5,007.60 = 2,370.80/x
  3. Step 3: Cross multiply
    3,631.16x = 5,007.60 × 2,370.80
  4. Step 4: Simplify right side
    3,631.16x = 11,872,018.08
  5. Step 5: Solve for x
    x = 11,872,018.08/3,631.16
  6. Step 6: Final answer
    x = 3,269.48

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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.