Home / 1,785.08-2,689.80-1,467.56

Finding the Fourth Proportional to 1,785.08, 2,689.80 and 1,467.56

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Solution

The fourth proportional to 1,785.08, 2,689.80 and 1,467.56 is: 2,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.08 : 2,689.80 = 1,467.56 : x
  2. Step 2: Convert to fraction form
    1,785.08/2,689.80 = 1,467.56/x
  3. Step 3: Cross multiply
    1,785.08x = 2,689.80 × 1,467.56
  4. Step 4: Simplify right side
    1,785.08x = 3,947,429.44
  5. Step 5: Solve for x
    x = 3,947,429.44/1,785.08
  6. Step 6: Final answer
    x = 2,211.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.