Home / 1,214.98-1,675.38-795.70

Finding the Fourth Proportional to 1,214.98, 1,675.38 and 795.70

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Solution

The fourth proportional to 1,214.98, 1,675.38 and 795.70 is: 1,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214.98 : 1,675.38 = 795.70 : x
  2. Step 2: Convert to fraction form
    1,214.98/1,675.38 = 795.70/x
  3. Step 3: Cross multiply
    1,214.98x = 1,675.38 × 795.70
  4. Step 4: Simplify right side
    1,214.98x = 1,333,099.87
  5. Step 5: Solve for x
    x = 1,333,099.87/1,214.98
  6. Step 6: Final answer
    x = 1,097.22

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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.