Home / 2,910.01-4,013.16-2,165.83

Finding the Fourth Proportional to 2,910.01, 4,013.16 and 2,165.83

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Solution

The fourth proportional to 2,910.01, 4,013.16 and 2,165.83 is: 2,986.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.01 : 4,013.16 = 2,165.83 : x
  2. Step 2: Convert to fraction form
    2,910.01/4,013.16 = 2,165.83/x
  3. Step 3: Cross multiply
    2,910.01x = 4,013.16 × 2,165.83
  4. Step 4: Simplify right side
    2,910.01x = 8,691,822.32
  5. Step 5: Solve for x
    x = 8,691,822.32/2,910.01
  6. Step 6: Final answer
    x = 2,986.87

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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.