Home / 3,543.20-5,308.40-3,133.60

Finding the Fourth Proportional to 3,543.20, 5,308.40 and 3,133.60

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Solution

The fourth proportional to 3,543.20, 5,308.40 and 3,133.60 is: 4,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.20 : 5,308.40 = 3,133.60 : x
  2. Step 2: Convert to fraction form
    3,543.20/5,308.40 = 3,133.60/x
  3. Step 3: Cross multiply
    3,543.20x = 5,308.40 × 3,133.60
  4. Step 4: Simplify right side
    3,543.20x = 16,634,402.24
  5. Step 5: Solve for x
    x = 16,634,402.24/3,543.20
  6. Step 6: Final answer
    x = 4,694.74

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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.