Home / 1,956.29-2,699.67-1,170.52

Finding the Fourth Proportional to 1,956.29, 2,699.67 and 1,170.52

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Solution

The fourth proportional to 1,956.29, 2,699.67 and 1,170.52 is: 1,615.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956.29 : 2,699.67 = 1,170.52 : x
  2. Step 2: Convert to fraction form
    1,956.29/2,699.67 = 1,170.52/x
  3. Step 3: Cross multiply
    1,956.29x = 2,699.67 × 1,170.52
  4. Step 4: Simplify right side
    1,956.29x = 3,159,998.38
  5. Step 5: Solve for x
    x = 3,159,998.38/1,956.29
  6. Step 6: Final answer
    x = 1,615.31

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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.