Home / 3,459.57-5,191.47-1,817.29

Finding the Fourth Proportional to 3,459.57, 5,191.47 and 1,817.29

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Solution

The fourth proportional to 3,459.57, 5,191.47 and 1,817.29 is: 2,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.57 : 5,191.47 = 1,817.29 : x
  2. Step 2: Convert to fraction form
    3,459.57/5,191.47 = 1,817.29/x
  3. Step 3: Cross multiply
    3,459.57x = 5,191.47 × 1,817.29
  4. Step 4: Simplify right side
    3,459.57x = 9,434,406.52
  5. Step 5: Solve for x
    x = 9,434,406.52/3,459.57
  6. Step 6: Final answer
    x = 2,727.05

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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.