Home / 3,188.16-4,780.80-3,087.36

Finding the Fourth Proportional to 3,188.16, 4,780.80 and 3,087.36

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Solution

The fourth proportional to 3,188.16, 4,780.80 and 3,087.36 is: 4,629.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.16 : 4,780.80 = 3,087.36 : x
  2. Step 2: Convert to fraction form
    3,188.16/4,780.80 = 3,087.36/x
  3. Step 3: Cross multiply
    3,188.16x = 4,780.80 × 3,087.36
  4. Step 4: Simplify right side
    3,188.16x = 14,760,050.69
  5. Step 5: Solve for x
    x = 14,760,050.69/3,188.16
  6. Step 6: Final answer
    x = 4,629.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.