Home / 4,099.12-6,145.34-1,631.55

Finding the Fourth Proportional to 4,099.12, 6,145.34 and 1,631.55

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Solution

The fourth proportional to 4,099.12, 6,145.34 and 1,631.55 is: 2,446.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.12 : 6,145.34 = 1,631.55 : x
  2. Step 2: Convert to fraction form
    4,099.12/6,145.34 = 1,631.55/x
  3. Step 3: Cross multiply
    4,099.12x = 6,145.34 × 1,631.55
  4. Step 4: Simplify right side
    4,099.12x = 10,026,433.56
  5. Step 5: Solve for x
    x = 10,026,433.56/4,099.12
  6. Step 6: Final answer
    x = 2,446.00

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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.