Home / 1,370.77-2,046.69-1,175.47

Finding the Fourth Proportional to 1,370.77, 2,046.69 and 1,175.47

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Solution

The fourth proportional to 1,370.77, 2,046.69 and 1,175.47 is: 1,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.77 : 2,046.69 = 1,175.47 : x
  2. Step 2: Convert to fraction form
    1,370.77/2,046.69 = 1,175.47/x
  3. Step 3: Cross multiply
    1,370.77x = 2,046.69 × 1,175.47
  4. Step 4: Simplify right side
    1,370.77x = 2,405,817.58
  5. Step 5: Solve for x
    x = 2,405,817.58/1,370.77
  6. Step 6: Final answer
    x = 1,755.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.