Home / 2,716.30-3,746.91-1,719.85

Finding the Fourth Proportional to 2,716.30, 3,746.91 and 1,719.85

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Solution

The fourth proportional to 2,716.30, 3,746.91 and 1,719.85 is: 2,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.30 : 3,746.91 = 1,719.85 : x
  2. Step 2: Convert to fraction form
    2,716.30/3,746.91 = 1,719.85/x
  3. Step 3: Cross multiply
    2,716.30x = 3,746.91 × 1,719.85
  4. Step 4: Simplify right side
    2,716.30x = 6,444,123.16
  5. Step 5: Solve for x
    x = 6,444,123.16/2,716.30
  6. Step 6: Final answer
    x = 2,372.39

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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.