Home / 3,637.42-5,455.32-1,445.56

Finding the Fourth Proportional to 3,637.42, 5,455.32 and 1,445.56

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Solution

The fourth proportional to 3,637.42, 5,455.32 and 1,445.56 is: 2,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.42 : 5,455.32 = 1,445.56 : x
  2. Step 2: Convert to fraction form
    3,637.42/5,455.32 = 1,445.56/x
  3. Step 3: Cross multiply
    3,637.42x = 5,455.32 × 1,445.56
  4. Step 4: Simplify right side
    3,637.42x = 7,885,992.38
  5. Step 5: Solve for x
    x = 7,885,992.38/3,637.42
  6. Step 6: Final answer
    x = 2,168.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.