Home / 2,910.10-4,364.49-830.07

Finding the Fourth Proportional to 2,910.10, 4,364.49 and 830.07

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Solution

The fourth proportional to 2,910.10, 4,364.49 and 830.07 is: 1,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.10 : 4,364.49 = 830.07 : x
  2. Step 2: Convert to fraction form
    2,910.10/4,364.49 = 830.07/x
  3. Step 3: Cross multiply
    2,910.10x = 4,364.49 × 830.07
  4. Step 4: Simplify right side
    2,910.10x = 3,622,832.21
  5. Step 5: Solve for x
    x = 3,622,832.21/2,910.10
  6. Step 6: Final answer
    x = 1,244.92

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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.