Home / 3,530.20-5,306.10-3,465.40

Finding the Fourth Proportional to 3,530.20, 5,306.10 and 3,465.40

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Solution

The fourth proportional to 3,530.20, 5,306.10 and 3,465.40 is: 5,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.20 : 5,306.10 = 3,465.40 : x
  2. Step 2: Convert to fraction form
    3,530.20/5,306.10 = 3,465.40/x
  3. Step 3: Cross multiply
    3,530.20x = 5,306.10 × 3,465.40
  4. Step 4: Simplify right side
    3,530.20x = 18,387,758.94
  5. Step 5: Solve for x
    x = 18,387,758.94/3,530.20
  6. Step 6: Final answer
    x = 5,208.70

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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.