Home / 1,910.28-2,636.15-1,070.92

Finding the Fourth Proportional to 1,910.28, 2,636.15 and 1,070.92

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Solution

The fourth proportional to 1,910.28, 2,636.15 and 1,070.92 is: 1,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.28 : 2,636.15 = 1,070.92 : x
  2. Step 2: Convert to fraction form
    1,910.28/2,636.15 = 1,070.92/x
  3. Step 3: Cross multiply
    1,910.28x = 2,636.15 × 1,070.92
  4. Step 4: Simplify right side
    1,910.28x = 2,823,103.70
  5. Step 5: Solve for x
    x = 2,823,103.70/1,910.28
  6. Step 6: Final answer
    x = 1,477.85

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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.