Home / 2,431.72-3,353.70-2,055.43

Finding the Fourth Proportional to 2,431.72, 3,353.70 and 2,055.43

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Solution

The fourth proportional to 2,431.72, 3,353.70 and 2,055.43 is: 2,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.72 : 3,353.70 = 2,055.43 : x
  2. Step 2: Convert to fraction form
    2,431.72/3,353.70 = 2,055.43/x
  3. Step 3: Cross multiply
    2,431.72x = 3,353.70 × 2,055.43
  4. Step 4: Simplify right side
    2,431.72x = 6,893,295.59
  5. Step 5: Solve for x
    x = 6,893,295.59/2,431.72
  6. Step 6: Final answer
    x = 2,834.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.