Home / 3,077.27-4,609.74-1,431.53

Finding the Fourth Proportional to 3,077.27, 4,609.74 and 1,431.53

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Solution

The fourth proportional to 3,077.27, 4,609.74 and 1,431.53 is: 2,144.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.27 : 4,609.74 = 1,431.53 : x
  2. Step 2: Convert to fraction form
    3,077.27/4,609.74 = 1,431.53/x
  3. Step 3: Cross multiply
    3,077.27x = 4,609.74 × 1,431.53
  4. Step 4: Simplify right side
    3,077.27x = 6,598,981.10
  5. Step 5: Solve for x
    x = 6,598,981.10/3,077.27
  6. Step 6: Final answer
    x = 2,144.43

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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.