Home / 4,051.60-6,077.36-1,129.66

Finding the Fourth Proportional to 4,051.60, 6,077.36 and 1,129.66

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Solution

The fourth proportional to 4,051.60, 6,077.36 and 1,129.66 is: 1,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,051.60 : 6,077.36 = 1,129.66 : x
  2. Step 2: Convert to fraction form
    4,051.60/6,077.36 = 1,129.66/x
  3. Step 3: Cross multiply
    4,051.60x = 6,077.36 × 1,129.66
  4. Step 4: Simplify right side
    4,051.60x = 6,865,338.13
  5. Step 5: Solve for x
    x = 6,865,338.13/4,051.60
  6. Step 6: Final answer
    x = 1,694.48

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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.