Home / 3,188.39-4,765.49-2,875.32

Finding the Fourth Proportional to 3,188.39, 4,765.49 and 2,875.32

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Solution

The fourth proportional to 3,188.39, 4,765.49 and 2,875.32 is: 4,297.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.39 : 4,765.49 = 2,875.32 : x
  2. Step 2: Convert to fraction form
    3,188.39/4,765.49 = 2,875.32/x
  3. Step 3: Cross multiply
    3,188.39x = 4,765.49 × 2,875.32
  4. Step 4: Simplify right side
    3,188.39x = 13,702,294.33
  5. Step 5: Solve for x
    x = 13,702,294.33/3,188.39
  6. Step 6: Final answer
    x = 4,297.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.