Home / 3,459.89-5,191.05-2,159.84

Finding the Fourth Proportional to 3,459.89, 5,191.05 and 2,159.84

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Solution

The fourth proportional to 3,459.89, 5,191.05 and 2,159.84 is: 3,240.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.89 : 5,191.05 = 2,159.84 : x
  2. Step 2: Convert to fraction form
    3,459.89/5,191.05 = 2,159.84/x
  3. Step 3: Cross multiply
    3,459.89x = 5,191.05 × 2,159.84
  4. Step 4: Simplify right side
    3,459.89x = 11,211,837.43
  5. Step 5: Solve for x
    x = 11,211,837.43/3,459.89
  6. Step 6: Final answer
    x = 3,240.52

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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.