Home / 1,565.87-2,159.69-1,093.61

Finding the Fourth Proportional to 1,565.87, 2,159.69 and 1,093.61

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Solution

The fourth proportional to 1,565.87, 2,159.69 and 1,093.61 is: 1,508.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.87 : 2,159.69 = 1,093.61 : x
  2. Step 2: Convert to fraction form
    1,565.87/2,159.69 = 1,093.61/x
  3. Step 3: Cross multiply
    1,565.87x = 2,159.69 × 1,093.61
  4. Step 4: Simplify right side
    1,565.87x = 2,361,858.58
  5. Step 5: Solve for x
    x = 2,361,858.58/1,565.87
  6. Step 6: Final answer
    x = 1,508.34

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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.