Home / 2,910.58-4,371.03-2,678.92

Finding the Fourth Proportional to 2,910.58, 4,371.03 and 2,678.92

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Solution

The fourth proportional to 2,910.58, 4,371.03 and 2,678.92 is: 4,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.58 : 4,371.03 = 2,678.92 : x
  2. Step 2: Convert to fraction form
    2,910.58/4,371.03 = 2,678.92/x
  3. Step 3: Cross multiply
    2,910.58x = 4,371.03 × 2,678.92
  4. Step 4: Simplify right side
    2,910.58x = 11,709,628.76
  5. Step 5: Solve for x
    x = 11,709,628.76/2,910.58
  6. Step 6: Final answer
    x = 4,023.13

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1.5x scale

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.