Home / 3,637.22-5,019.12-2,145.07

Finding the Fourth Proportional to 3,637.22, 5,019.12 and 2,145.07

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Solution

The fourth proportional to 3,637.22, 5,019.12 and 2,145.07 is: 2,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.22 : 5,019.12 = 2,145.07 : x
  2. Step 2: Convert to fraction form
    3,637.22/5,019.12 = 2,145.07/x
  3. Step 3: Cross multiply
    3,637.22x = 5,019.12 × 2,145.07
  4. Step 4: Simplify right side
    3,637.22x = 10,766,363.74
  5. Step 5: Solve for x
    x = 10,766,363.74/3,637.22
  6. Step 6: Final answer
    x = 2,960.05

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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.