Home / 2,910.29-4,358.69-1,674.64

Finding the Fourth Proportional to 2,910.29, 4,358.69 and 1,674.64

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Solution

The fourth proportional to 2,910.29, 4,358.69 and 1,674.64 is: 2,508.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.29 : 4,358.69 = 1,674.64 : x
  2. Step 2: Convert to fraction form
    2,910.29/4,358.69 = 1,674.64/x
  3. Step 3: Cross multiply
    2,910.29x = 4,358.69 × 1,674.64
  4. Step 4: Simplify right side
    2,910.29x = 7,299,206.45
  5. Step 5: Solve for x
    x = 7,299,206.45/2,910.29
  6. Step 6: Final answer
    x = 2,508.07

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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.