Home / 3,465.89-5,198.20-1,000.10

Finding the Fourth Proportional to 3,465.89, 5,198.20 and 1,000.10

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Solution

The fourth proportional to 3,465.89, 5,198.20 and 1,000.10 is: 1,499.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.89 : 5,198.20 = 1,000.10 : x
  2. Step 2: Convert to fraction form
    3,465.89/5,198.20 = 1,000.10/x
  3. Step 3: Cross multiply
    3,465.89x = 5,198.20 × 1,000.10
  4. Step 4: Simplify right side
    3,465.89x = 5,198,719.82
  5. Step 5: Solve for x
    x = 5,198,719.82/3,465.89
  6. Step 6: Final answer
    x = 1,499.97

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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.