Home / 3,516.89-5,275.62-1,176.91

Finding the Fourth Proportional to 3,516.89, 5,275.62 and 1,176.91

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Solution

The fourth proportional to 3,516.89, 5,275.62 and 1,176.91 is: 1,765.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.89 : 5,275.62 = 1,176.91 : x
  2. Step 2: Convert to fraction form
    3,516.89/5,275.62 = 1,176.91/x
  3. Step 3: Cross multiply
    3,516.89x = 5,275.62 × 1,176.91
  4. Step 4: Simplify right side
    3,516.89x = 6,208,936.53
  5. Step 5: Solve for x
    x = 6,208,936.53/3,516.89
  6. Step 6: Final answer
    x = 1,765.46

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1.5x scale

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.