Home / 3,446.28-5,166.28-1,690.28

Finding the Fourth Proportional to 3,446.28, 5,166.28 and 1,690.28

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Solution

The fourth proportional to 3,446.28, 5,166.28 and 1,690.28 is: 2,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.28 : 5,166.28 = 1,690.28 : x
  2. Step 2: Convert to fraction form
    3,446.28/5,166.28 = 1,690.28/x
  3. Step 3: Cross multiply
    3,446.28x = 5,166.28 × 1,690.28
  4. Step 4: Simplify right side
    3,446.28x = 8,732,459.76
  5. Step 5: Solve for x
    x = 8,732,459.76/3,446.28
  6. Step 6: Final answer
    x = 2,533.88

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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.