Home / 1,673.27-2,309.48-1,113.75

Finding the Fourth Proportional to 1,673.27, 2,309.48 and 1,113.75

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Solution

The fourth proportional to 1,673.27, 2,309.48 and 1,113.75 is: 1,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.27 : 2,309.48 = 1,113.75 : x
  2. Step 2: Convert to fraction form
    1,673.27/2,309.48 = 1,113.75/x
  3. Step 3: Cross multiply
    1,673.27x = 2,309.48 × 1,113.75
  4. Step 4: Simplify right side
    1,673.27x = 2,572,177.78
  5. Step 5: Solve for x
    x = 2,572,177.78/1,673.27
  6. Step 6: Final answer
    x = 1,537.22

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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.