Home / 3,307.69-4,561.81-2,560.33

Finding the Fourth Proportional to 3,307.69, 4,561.81 and 2,560.33

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Solution

The fourth proportional to 3,307.69, 4,561.81 and 2,560.33 is: 3,531.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.69 : 4,561.81 = 2,560.33 : x
  2. Step 2: Convert to fraction form
    3,307.69/4,561.81 = 2,560.33/x
  3. Step 3: Cross multiply
    3,307.69x = 4,561.81 × 2,560.33
  4. Step 4: Simplify right side
    3,307.69x = 11,679,739.00
  5. Step 5: Solve for x
    x = 11,679,739.00/3,307.69
  6. Step 6: Final answer
    x = 3,531.09

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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.