Home / 3,659.29-5,048.57-2,985.91

Finding the Fourth Proportional to 3,659.29, 5,048.57 and 2,985.91

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Solution

The fourth proportional to 3,659.29, 5,048.57 and 2,985.91 is: 4,119.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.29 : 5,048.57 = 2,985.91 : x
  2. Step 2: Convert to fraction form
    3,659.29/5,048.57 = 2,985.91/x
  3. Step 3: Cross multiply
    3,659.29x = 5,048.57 × 2,985.91
  4. Step 4: Simplify right side
    3,659.29x = 15,074,570.49
  5. Step 5: Solve for x
    x = 15,074,570.49/3,659.29
  6. Step 6: Final answer
    x = 4,119.54

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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.