Home / 3,231.60-4,847.40-3,207.30

Finding the Fourth Proportional to 3,231.60, 4,847.40 and 3,207.30

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Solution

The fourth proportional to 3,231.60, 4,847.40 and 3,207.30 is: 4,810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.60 : 4,847.40 = 3,207.30 : x
  2. Step 2: Convert to fraction form
    3,231.60/4,847.40 = 3,207.30/x
  3. Step 3: Cross multiply
    3,231.60x = 4,847.40 × 3,207.30
  4. Step 4: Simplify right side
    3,231.60x = 15,547,066.02
  5. Step 5: Solve for x
    x = 15,547,066.02/3,231.60
  6. Step 6: Final answer
    x = 4,810.95

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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.