Home / 2,188.32-3,019.77-1,193.55

Finding the Fourth Proportional to 2,188.32, 3,019.77 and 1,193.55

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Solution

The fourth proportional to 2,188.32, 3,019.77 and 1,193.55 is: 1,647.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.32 : 3,019.77 = 1,193.55 : x
  2. Step 2: Convert to fraction form
    2,188.32/3,019.77 = 1,193.55/x
  3. Step 3: Cross multiply
    2,188.32x = 3,019.77 × 1,193.55
  4. Step 4: Simplify right side
    2,188.32x = 3,604,246.48
  5. Step 5: Solve for x
    x = 3,604,246.48/2,188.32
  6. Step 6: Final answer
    x = 1,647.04

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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.