Home / 1,760.06-2,430-1,097.89

Finding the Fourth Proportional to 1,760.06, 2,430 and 1,097.89

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Solution

The fourth proportional to 1,760.06, 2,430 and 1,097.89 is: 1,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.06 : 2,430 = 1,097.89 : x
  2. Step 2: Convert to fraction form
    1,760.06/2,430 = 1,097.89/x
  3. Step 3: Cross multiply
    1,760.06x = 2,430 × 1,097.89
  4. Step 4: Simplify right side
    1,760.06x = 2,667,866.63
  5. Step 5: Solve for x
    x = 2,667,866.63/1,760.06
  6. Step 6: Final answer
    x = 1,515.78

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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.