Home / 3,670.92-5,065.30-2,345.80

Finding the Fourth Proportional to 3,670.92, 5,065.30 and 2,345.80

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Solution

The fourth proportional to 3,670.92, 5,065.30 and 2,345.80 is: 3,236.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.92 : 5,065.30 = 2,345.80 : x
  2. Step 2: Convert to fraction form
    3,670.92/5,065.30 = 2,345.80/x
  3. Step 3: Cross multiply
    3,670.92x = 5,065.30 × 2,345.80
  4. Step 4: Simplify right side
    3,670.92x = 11,882,180.74
  5. Step 5: Solve for x
    x = 11,882,180.74/3,670.92
  6. Step 6: Final answer
    x = 3,236.84

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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.