Home / 3,643.90-5,029.04-2,071.69

Finding the Fourth Proportional to 3,643.90, 5,029.04 and 2,071.69

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Solution

The fourth proportional to 3,643.90, 5,029.04 and 2,071.69 is: 2,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.90 : 5,029.04 = 2,071.69 : x
  2. Step 2: Convert to fraction form
    3,643.90/5,029.04 = 2,071.69/x
  3. Step 3: Cross multiply
    3,643.90x = 5,029.04 × 2,071.69
  4. Step 4: Simplify right side
    3,643.90x = 10,418,576.37
  5. Step 5: Solve for x
    x = 10,418,576.37/3,643.90
  6. Step 6: Final answer
    x = 2,859.19

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1.5x scale

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.