Home / 3,154.61-4,355.16-2,093.81

Finding the Fourth Proportional to 3,154.61, 4,355.16 and 2,093.81

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Solution

The fourth proportional to 3,154.61, 4,355.16 and 2,093.81 is: 2,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.61 : 4,355.16 = 2,093.81 : x
  2. Step 2: Convert to fraction form
    3,154.61/4,355.16 = 2,093.81/x
  3. Step 3: Cross multiply
    3,154.61x = 4,355.16 × 2,093.81
  4. Step 4: Simplify right side
    3,154.61x = 9,118,845.31
  5. Step 5: Solve for x
    x = 9,118,845.31/3,154.61
  6. Step 6: Final answer
    x = 2,890.65

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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.