Home / 3,741.45-5,612.58-1,275.81

Finding the Fourth Proportional to 3,741.45, 5,612.58 and 1,275.81

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Solution

The fourth proportional to 3,741.45, 5,612.58 and 1,275.81 is: 1,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.45 : 5,612.58 = 1,275.81 : x
  2. Step 2: Convert to fraction form
    3,741.45/5,612.58 = 1,275.81/x
  3. Step 3: Cross multiply
    3,741.45x = 5,612.58 × 1,275.81
  4. Step 4: Simplify right side
    3,741.45x = 7,160,585.69
  5. Step 5: Solve for x
    x = 7,160,585.69/3,741.45
  6. Step 6: Final answer
    x = 1,913.85

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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.