Home / 1,747.23-2,620.91-577.26

Finding the Fourth Proportional to 1,747.23, 2,620.91 and 577.26

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Solution

The fourth proportional to 1,747.23, 2,620.91 and 577.26 is: 865.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.23 : 2,620.91 = 577.26 : x
  2. Step 2: Convert to fraction form
    1,747.23/2,620.91 = 577.26/x
  3. Step 3: Cross multiply
    1,747.23x = 2,620.91 × 577.26
  4. Step 4: Simplify right side
    1,747.23x = 1,512,946.51
  5. Step 5: Solve for x
    x = 1,512,946.51/1,747.23
  6. Step 6: Final answer
    x = 865.91

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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.