Home / 3,454.63-5,181.94-1,146.13

Finding the Fourth Proportional to 3,454.63, 5,181.94 and 1,146.13

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Solution

The fourth proportional to 3,454.63, 5,181.94 and 1,146.13 is: 1,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.63 : 5,181.94 = 1,146.13 : x
  2. Step 2: Convert to fraction form
    3,454.63/5,181.94 = 1,146.13/x
  3. Step 3: Cross multiply
    3,454.63x = 5,181.94 × 1,146.13
  4. Step 4: Simplify right side
    3,454.63x = 5,939,176.89
  5. Step 5: Solve for x
    x = 5,939,176.89/3,454.63
  6. Step 6: Final answer
    x = 1,719.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.