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Finding the Fourth Proportional to 1,950.13, 2,910.95 and 1,691.94

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Solution

The fourth proportional to 1,950.13, 2,910.95 and 1,691.94 is: 2,525.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.13 : 2,910.95 = 1,691.94 : x
  2. Step 2: Convert to fraction form
    1,950.13/2,910.95 = 1,691.94/x
  3. Step 3: Cross multiply
    1,950.13x = 2,910.95 × 1,691.94
  4. Step 4: Simplify right side
    1,950.13x = 4,925,152.74
  5. Step 5: Solve for x
    x = 4,925,152.74/1,950.13
  6. Step 6: Final answer
    x = 2,525.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.