Home / 3,465.38-5,198.28-1,000.55

Finding the Fourth Proportional to 3,465.38, 5,198.28 and 1,000.55

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Solution

The fourth proportional to 3,465.38, 5,198.28 and 1,000.55 is: 1,500.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.38 : 5,198.28 = 1,000.55 : x
  2. Step 2: Convert to fraction form
    3,465.38/5,198.28 = 1,000.55/x
  3. Step 3: Cross multiply
    3,465.38x = 5,198.28 × 1,000.55
  4. Step 4: Simplify right side
    3,465.38x = 5,201,148.30
  5. Step 5: Solve for x
    x = 5,201,148.30/3,465.38
  6. Step 6: Final answer
    x = 1,500.89

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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.