Home / 1,790.97-2,476.74-1,569.50

Finding the Fourth Proportional to 1,790.97, 2,476.74 and 1,569.50

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Solution

The fourth proportional to 1,790.97, 2,476.74 and 1,569.50 is: 2,170.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.97 : 2,476.74 = 1,569.50 : x
  2. Step 2: Convert to fraction form
    1,790.97/2,476.74 = 1,569.50/x
  3. Step 3: Cross multiply
    1,790.97x = 2,476.74 × 1,569.50
  4. Step 4: Simplify right side
    1,790.97x = 3,887,243.43
  5. Step 5: Solve for x
    x = 3,887,243.43/1,790.97
  6. Step 6: Final answer
    x = 2,170.47

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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.