Home / 3,307.42-4,564.49-1,891.16

Finding the Fourth Proportional to 3,307.42, 4,564.49 and 1,891.16

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Solution

The fourth proportional to 3,307.42, 4,564.49 and 1,891.16 is: 2,609.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.42 : 4,564.49 = 1,891.16 : x
  2. Step 2: Convert to fraction form
    3,307.42/4,564.49 = 1,891.16/x
  3. Step 3: Cross multiply
    3,307.42x = 4,564.49 × 1,891.16
  4. Step 4: Simplify right side
    3,307.42x = 8,632,180.91
  5. Step 5: Solve for x
    x = 8,632,180.91/3,307.42
  6. Step 6: Final answer
    x = 2,609.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.