Home / 3,454.01-5,180.50-1,113.71

Finding the Fourth Proportional to 3,454.01, 5,180.50 and 1,113.71

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Solution

The fourth proportional to 3,454.01, 5,180.50 and 1,113.71 is: 1,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.01 : 5,180.50 = 1,113.71 : x
  2. Step 2: Convert to fraction form
    3,454.01/5,180.50 = 1,113.71/x
  3. Step 3: Cross multiply
    3,454.01x = 5,180.50 × 1,113.71
  4. Step 4: Simplify right side
    3,454.01x = 5,769,574.66
  5. Step 5: Solve for x
    x = 5,769,574.66/3,454.01
  6. Step 6: Final answer
    x = 1,670.40

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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.