Home / 2,719.14-3,749.13-2,298.75

Finding the Fourth Proportional to 2,719.14, 3,749.13 and 2,298.75

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Solution

The fourth proportional to 2,719.14, 3,749.13 and 2,298.75 is: 3,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.14 : 3,749.13 = 2,298.75 : x
  2. Step 2: Convert to fraction form
    2,719.14/3,749.13 = 2,298.75/x
  3. Step 3: Cross multiply
    2,719.14x = 3,749.13 × 2,298.75
  4. Step 4: Simplify right side
    2,719.14x = 8,618,312.59
  5. Step 5: Solve for x
    x = 8,618,312.59/2,719.14
  6. Step 6: Final answer
    x = 3,169.50

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Double scale
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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.