Home / 1,565.94-2,159.32-1,319.97

Finding the Fourth Proportional to 1,565.94, 2,159.32 and 1,319.97

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Solution

The fourth proportional to 1,565.94, 2,159.32 and 1,319.97 is: 1,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.94 : 2,159.32 = 1,319.97 : x
  2. Step 2: Convert to fraction form
    1,565.94/2,159.32 = 1,319.97/x
  3. Step 3: Cross multiply
    1,565.94x = 2,159.32 × 1,319.97
  4. Step 4: Simplify right side
    1,565.94x = 2,850,237.62
  5. Step 5: Solve for x
    x = 2,850,237.62/1,565.94
  6. Step 6: Final answer
    x = 1,820.14

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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.