Home / 3,809.48-5,258.70-2,317.88

Finding the Fourth Proportional to 3,809.48, 5,258.70 and 2,317.88

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Solution

The fourth proportional to 3,809.48, 5,258.70 and 2,317.88 is: 3,199.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.48 : 5,258.70 = 2,317.88 : x
  2. Step 2: Convert to fraction form
    3,809.48/5,258.70 = 2,317.88/x
  3. Step 3: Cross multiply
    3,809.48x = 5,258.70 × 2,317.88
  4. Step 4: Simplify right side
    3,809.48x = 12,189,035.56
  5. Step 5: Solve for x
    x = 12,189,035.56/3,809.48
  6. Step 6: Final answer
    x = 3,199.66

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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.