Home / 2,572.13-3,550.34-1,640.63

Finding the Fourth Proportional to 2,572.13, 3,550.34 and 1,640.63

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Solution

The fourth proportional to 2,572.13, 3,550.34 and 1,640.63 is: 2,264.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.13 : 3,550.34 = 1,640.63 : x
  2. Step 2: Convert to fraction form
    2,572.13/3,550.34 = 1,640.63/x
  3. Step 3: Cross multiply
    2,572.13x = 3,550.34 × 1,640.63
  4. Step 4: Simplify right side
    2,572.13x = 5,824,780.66
  5. Step 5: Solve for x
    x = 5,824,780.66/2,572.13
  6. Step 6: Final answer
    x = 2,264.58

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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.