Home / 3,135.66-4,703.61-1,055.75

Finding the Fourth Proportional to 3,135.66, 4,703.61 and 1,055.75

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Solution

The fourth proportional to 3,135.66, 4,703.61 and 1,055.75 is: 1,583.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.66 : 4,703.61 = 1,055.75 : x
  2. Step 2: Convert to fraction form
    3,135.66/4,703.61 = 1,055.75/x
  3. Step 3: Cross multiply
    3,135.66x = 4,703.61 × 1,055.75
  4. Step 4: Simplify right side
    3,135.66x = 4,965,812.74
  5. Step 5: Solve for x
    x = 4,965,812.74/3,135.66
  6. Step 6: Final answer
    x = 1,583.66

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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.