Home / 3,307.67-4,953.91-1,917.57

Finding the Fourth Proportional to 3,307.67, 4,953.91 and 1,917.57

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Solution

The fourth proportional to 3,307.67, 4,953.91 and 1,917.57 is: 2,871.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.67 : 4,953.91 = 1,917.57 : x
  2. Step 2: Convert to fraction form
    3,307.67/4,953.91 = 1,917.57/x
  3. Step 3: Cross multiply
    3,307.67x = 4,953.91 × 1,917.57
  4. Step 4: Simplify right side
    3,307.67x = 9,499,469.20
  5. Step 5: Solve for x
    x = 9,499,469.20/3,307.67
  6. Step 6: Final answer
    x = 2,871.95

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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.