Home / 3,030.12-4,543.16-1,181.42

Finding the Fourth Proportional to 3,030.12, 4,543.16 and 1,181.42

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Solution

The fourth proportional to 3,030.12, 4,543.16 and 1,181.42 is: 1,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.12 : 4,543.16 = 1,181.42 : x
  2. Step 2: Convert to fraction form
    3,030.12/4,543.16 = 1,181.42/x
  3. Step 3: Cross multiply
    3,030.12x = 4,543.16 × 1,181.42
  4. Step 4: Simplify right side
    3,030.12x = 5,367,351.46
  5. Step 5: Solve for x
    x = 5,367,351.46/3,030.12
  6. Step 6: Final answer
    x = 1,771.33

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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.