Home / 3,225.18-4,837.77-1,278.30

Finding the Fourth Proportional to 3,225.18, 4,837.77 and 1,278.30

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Solution

The fourth proportional to 3,225.18, 4,837.77 and 1,278.30 is: 1,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.18 : 4,837.77 = 1,278.30 : x
  2. Step 2: Convert to fraction form
    3,225.18/4,837.77 = 1,278.30/x
  3. Step 3: Cross multiply
    3,225.18x = 4,837.77 × 1,278.30
  4. Step 4: Simplify right side
    3,225.18x = 6,184,121.39
  5. Step 5: Solve for x
    x = 6,184,121.39/3,225.18
  6. Step 6: Final answer
    x = 1,917.45

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Similar ratio
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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.