Home / 1,733.11-2,391.72-947.23

Finding the Fourth Proportional to 1,733.11, 2,391.72 and 947.23

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Solution

The fourth proportional to 1,733.11, 2,391.72 and 947.23 is: 1,307.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733.11 : 2,391.72 = 947.23 : x
  2. Step 2: Convert to fraction form
    1,733.11/2,391.72 = 947.23/x
  3. Step 3: Cross multiply
    1,733.11x = 2,391.72 × 947.23
  4. Step 4: Simplify right side
    1,733.11x = 2,265,508.94
  5. Step 5: Solve for x
    x = 2,265,508.94/1,733.11
  6. Step 6: Final answer
    x = 1,307.19

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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.