Home / 1,301.13-1,795.56-711.66

Finding the Fourth Proportional to 1,301.13, 1,795.56 and 711.66

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Solution

The fourth proportional to 1,301.13, 1,795.56 and 711.66 is: 982.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.13 : 1,795.56 = 711.66 : x
  2. Step 2: Convert to fraction form
    1,301.13/1,795.56 = 711.66/x
  3. Step 3: Cross multiply
    1,301.13x = 1,795.56 × 711.66
  4. Step 4: Simplify right side
    1,301.13x = 1,277,828.23
  5. Step 5: Solve for x
    x = 1,277,828.23/1,301.13
  6. Step 6: Final answer
    x = 982.09

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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.