Home / 3,076.40-4,616.28-1,433.72

Finding the Fourth Proportional to 3,076.40, 4,616.28 and 1,433.72

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Solution

The fourth proportional to 3,076.40, 4,616.28 and 1,433.72 is: 2,151.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.40 : 4,616.28 = 1,433.72 : x
  2. Step 2: Convert to fraction form
    3,076.40/4,616.28 = 1,433.72/x
  3. Step 3: Cross multiply
    3,076.40x = 4,616.28 × 1,433.72
  4. Step 4: Simplify right side
    3,076.40x = 6,618,452.96
  5. Step 5: Solve for x
    x = 6,618,452.96/3,076.40
  6. Step 6: Final answer
    x = 2,151.36

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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.