Home / 3,467.65-4,785.35-1,975.71

Finding the Fourth Proportional to 3,467.65, 4,785.35 and 1,975.71

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Solution

The fourth proportional to 3,467.65, 4,785.35 and 1,975.71 is: 2,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.65 : 4,785.35 = 1,975.71 : x
  2. Step 2: Convert to fraction form
    3,467.65/4,785.35 = 1,975.71/x
  3. Step 3: Cross multiply
    3,467.65x = 4,785.35 × 1,975.71
  4. Step 4: Simplify right side
    3,467.65x = 9,454,439.92
  5. Step 5: Solve for x
    x = 9,454,439.92/3,467.65
  6. Step 6: Final answer
    x = 2,726.47

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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.