Home / 2,992.61-4,117.23-2,910.60

Finding the Fourth Proportional to 2,992.61, 4,117.23 and 2,910.60

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Solution

The fourth proportional to 2,992.61, 4,117.23 and 2,910.60 is: 4,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.61 : 4,117.23 = 2,910.60 : x
  2. Step 2: Convert to fraction form
    2,992.61/4,117.23 = 2,910.60/x
  3. Step 3: Cross multiply
    2,992.61x = 4,117.23 × 2,910.60
  4. Step 4: Simplify right side
    2,992.61x = 11,983,609.64
  5. Step 5: Solve for x
    x = 11,983,609.64/2,992.61
  6. Step 6: Final answer
    x = 4,004.40

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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.