Home / 3,188.67-4,778.88-2,360.35

Finding the Fourth Proportional to 3,188.67, 4,778.88 and 2,360.35

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Solution

The fourth proportional to 3,188.67, 4,778.88 and 2,360.35 is: 3,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.67 : 4,778.88 = 2,360.35 : x
  2. Step 2: Convert to fraction form
    3,188.67/4,778.88 = 2,360.35/x
  3. Step 3: Cross multiply
    3,188.67x = 4,778.88 × 2,360.35
  4. Step 4: Simplify right side
    3,188.67x = 11,279,829.41
  5. Step 5: Solve for x
    x = 11,279,829.41/3,188.67
  6. Step 6: Final answer
    x = 3,537.47

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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.