Home / 2,719.16-3,749.12-2,298.76

Finding the Fourth Proportional to 2,719.16, 3,749.12 and 2,298.76

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Solution

The fourth proportional to 2,719.16, 3,749.12 and 2,298.76 is: 3,169.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.16 : 3,749.12 = 2,298.76 : x
  2. Step 2: Convert to fraction form
    2,719.16/3,749.12 = 2,298.76/x
  3. Step 3: Cross multiply
    2,719.16x = 3,749.12 × 2,298.76
  4. Step 4: Simplify right side
    2,719.16x = 8,618,327.09
  5. Step 5: Solve for x
    x = 8,618,327.09/2,719.16
  6. Step 6: Final answer
    x = 3,169.48

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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.