Home / 3,307.84-4,567.28-2,129.56

Finding the Fourth Proportional to 3,307.84, 4,567.28 and 2,129.56

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Solution

The fourth proportional to 3,307.84, 4,567.28 and 2,129.56 is: 2,940.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.84 : 4,567.28 = 2,129.56 : x
  2. Step 2: Convert to fraction form
    3,307.84/4,567.28 = 2,129.56/x
  3. Step 3: Cross multiply
    3,307.84x = 4,567.28 × 2,129.56
  4. Step 4: Simplify right side
    3,307.84x = 9,726,296.80
  5. Step 5: Solve for x
    x = 9,726,296.80/3,307.84
  6. Step 6: Final answer
    x = 2,940.38

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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.