Home / 2,126.11-3,188.80-586.75

Finding the Fourth Proportional to 2,126.11, 3,188.80 and 586.75

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Solution

The fourth proportional to 2,126.11, 3,188.80 and 586.75 is: 880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.11 : 3,188.80 = 586.75 : x
  2. Step 2: Convert to fraction form
    2,126.11/3,188.80 = 586.75/x
  3. Step 3: Cross multiply
    2,126.11x = 3,188.80 × 586.75
  4. Step 4: Simplify right side
    2,126.11x = 1,871,028.40
  5. Step 5: Solve for x
    x = 1,871,028.40/2,126.11
  6. Step 6: Final answer
    x = 880.02

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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.