Home / 3,580.66-4,930.50-3,176.56

Finding the Fourth Proportional to 3,580.66, 4,930.50 and 3,176.56

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Solution

The fourth proportional to 3,580.66, 4,930.50 and 3,176.56 is: 4,374.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.66 : 4,930.50 = 3,176.56 : x
  2. Step 2: Convert to fraction form
    3,580.66/4,930.50 = 3,176.56/x
  3. Step 3: Cross multiply
    3,580.66x = 4,930.50 × 3,176.56
  4. Step 4: Simplify right side
    3,580.66x = 15,662,029.08
  5. Step 5: Solve for x
    x = 15,662,029.08/3,580.66
  6. Step 6: Final answer
    x = 4,374.06

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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.