Home / 3,579.30-4,938.66-2,403.81

Finding the Fourth Proportional to 3,579.30, 4,938.66 and 2,403.81

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Solution

The fourth proportional to 3,579.30, 4,938.66 and 2,403.81 is: 3,316.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.30 : 4,938.66 = 2,403.81 : x
  2. Step 2: Convert to fraction form
    3,579.30/4,938.66 = 2,403.81/x
  3. Step 3: Cross multiply
    3,579.30x = 4,938.66 × 2,403.81
  4. Step 4: Simplify right side
    3,579.30x = 11,871,600.29
  5. Step 5: Solve for x
    x = 11,871,600.29/3,579.30
  6. Step 6: Final answer
    x = 3,316.74

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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.