Home / 3,435.81-4,738.66-2,386.05

Finding the Fourth Proportional to 3,435.81, 4,738.66 and 2,386.05

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Solution

The fourth proportional to 3,435.81, 4,738.66 and 2,386.05 is: 3,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.81 : 4,738.66 = 2,386.05 : x
  2. Step 2: Convert to fraction form
    3,435.81/4,738.66 = 2,386.05/x
  3. Step 3: Cross multiply
    3,435.81x = 4,738.66 × 2,386.05
  4. Step 4: Simplify right side
    3,435.81x = 11,306,679.69
  5. Step 5: Solve for x
    x = 11,306,679.69/3,435.81
  6. Step 6: Final answer
    x = 3,290.83

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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.