Home / 3,643.30-5,028.33-2,315.62

Finding the Fourth Proportional to 3,643.30, 5,028.33 and 2,315.62

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Solution

The fourth proportional to 3,643.30, 5,028.33 and 2,315.62 is: 3,195.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.30 : 5,028.33 = 2,315.62 : x
  2. Step 2: Convert to fraction form
    3,643.30/5,028.33 = 2,315.62/x
  3. Step 3: Cross multiply
    3,643.30x = 5,028.33 × 2,315.62
  4. Step 4: Simplify right side
    3,643.30x = 11,643,701.51
  5. Step 5: Solve for x
    x = 11,643,701.51/3,643.30
  6. Step 6: Final answer
    x = 3,195.92

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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.