Home / 1,206.57-1,806.75-1,034.37

Finding the Fourth Proportional to 1,206.57, 1,806.75 and 1,034.37

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Solution

The fourth proportional to 1,206.57, 1,806.75 and 1,034.37 is: 1,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206.57 : 1,806.75 = 1,034.37 : x
  2. Step 2: Convert to fraction form
    1,206.57/1,806.75 = 1,034.37/x
  3. Step 3: Cross multiply
    1,206.57x = 1,806.75 × 1,034.37
  4. Step 4: Simplify right side
    1,206.57x = 1,868,848.00
  5. Step 5: Solve for x
    x = 1,868,848.00/1,206.57
  6. Step 6: Final answer
    x = 1,548.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.