Home / 1,491.72-2,059.43-1,159.41

Finding the Fourth Proportional to 1,491.72, 2,059.43 and 1,159.41

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Solution

The fourth proportional to 1,491.72, 2,059.43 and 1,159.41 is: 1,600.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.72 : 2,059.43 = 1,159.41 : x
  2. Step 2: Convert to fraction form
    1,491.72/2,059.43 = 1,159.41/x
  3. Step 3: Cross multiply
    1,491.72x = 2,059.43 × 1,159.41
  4. Step 4: Simplify right side
    1,491.72x = 2,387,725.66
  5. Step 5: Solve for x
    x = 2,387,725.66/1,491.72
  6. Step 6: Final answer
    x = 1,600.66

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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.