Home / 3,130.49-4,320.20-1,733.51

Finding the Fourth Proportional to 3,130.49, 4,320.20 and 1,733.51

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Solution

The fourth proportional to 3,130.49, 4,320.20 and 1,733.51 is: 2,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.49 : 4,320.20 = 1,733.51 : x
  2. Step 2: Convert to fraction form
    3,130.49/4,320.20 = 1,733.51/x
  3. Step 3: Cross multiply
    3,130.49x = 4,320.20 × 1,733.51
  4. Step 4: Simplify right side
    3,130.49x = 7,489,109.90
  5. Step 5: Solve for x
    x = 7,489,109.90/3,130.49
  6. Step 6: Final answer
    x = 2,392.31

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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.