Home / 3,112.79-4,672.23-2,426.93

Finding the Fourth Proportional to 3,112.79, 4,672.23 and 2,426.93

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Solution

The fourth proportional to 3,112.79, 4,672.23 and 2,426.93 is: 3,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.79 : 4,672.23 = 2,426.93 : x
  2. Step 2: Convert to fraction form
    3,112.79/4,672.23 = 2,426.93/x
  3. Step 3: Cross multiply
    3,112.79x = 4,672.23 × 2,426.93
  4. Step 4: Simplify right side
    3,112.79x = 11,339,175.15
  5. Step 5: Solve for x
    x = 11,339,175.15/3,112.79
  6. Step 6: Final answer
    x = 3,642.77

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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.