Home / 3,069.65-4,239.39-2,411.52

Finding the Fourth Proportional to 3,069.65, 4,239.39 and 2,411.52

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Solution

The fourth proportional to 3,069.65, 4,239.39 and 2,411.52 is: 3,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.65 : 4,239.39 = 2,411.52 : x
  2. Step 2: Convert to fraction form
    3,069.65/4,239.39 = 2,411.52/x
  3. Step 3: Cross multiply
    3,069.65x = 4,239.39 × 2,411.52
  4. Step 4: Simplify right side
    3,069.65x = 10,223,377.20
  5. Step 5: Solve for x
    x = 10,223,377.20/3,069.65
  6. Step 6: Final answer
    x = 3,330.47

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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.