Home / 3,543.45-5,315.18-3,465.60

Finding the Fourth Proportional to 3,543.45, 5,315.18 and 3,465.60

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Solution

The fourth proportional to 3,543.45, 5,315.18 and 3,465.60 is: 5,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.45 : 5,315.18 = 3,465.60 : x
  2. Step 2: Convert to fraction form
    3,543.45/5,315.18 = 3,465.60/x
  3. Step 3: Cross multiply
    3,543.45x = 5,315.18 × 3,465.60
  4. Step 4: Simplify right side
    3,543.45x = 18,420,270.48
  5. Step 5: Solve for x
    x = 18,420,270.48/3,543.45
  6. Step 6: Final answer
    x = 5,198.40

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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.