Home / 3,527.73-5,291.37-1,188.90

Finding the Fourth Proportional to 3,527.73, 5,291.37 and 1,188.90

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Solution

The fourth proportional to 3,527.73, 5,291.37 and 1,188.90 is: 1,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.73 : 5,291.37 = 1,188.90 : x
  2. Step 2: Convert to fraction form
    3,527.73/5,291.37 = 1,188.90/x
  3. Step 3: Cross multiply
    3,527.73x = 5,291.37 × 1,188.90
  4. Step 4: Simplify right side
    3,527.73x = 6,290,909.79
  5. Step 5: Solve for x
    x = 6,290,909.79/3,527.73
  6. Step 6: Final answer
    x = 1,783.27

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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.