Home / 3,184.81-4,775.99-1,236.55

Finding the Fourth Proportional to 3,184.81, 4,775.99 and 1,236.55

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Solution

The fourth proportional to 3,184.81, 4,775.99 and 1,236.55 is: 1,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.81 : 4,775.99 = 1,236.55 : x
  2. Step 2: Convert to fraction form
    3,184.81/4,775.99 = 1,236.55/x
  3. Step 3: Cross multiply
    3,184.81x = 4,775.99 × 1,236.55
  4. Step 4: Simplify right side
    3,184.81x = 5,905,750.43
  5. Step 5: Solve for x
    x = 5,905,750.43/3,184.81
  6. Step 6: Final answer
    x = 1,854.35

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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.