Home / 3,438.44-5,157.62-972.93

Finding the Fourth Proportional to 3,438.44, 5,157.62 and 972.93

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Solution

The fourth proportional to 3,438.44, 5,157.62 and 972.93 is: 1,459.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.44 : 5,157.62 = 972.93 : x
  2. Step 2: Convert to fraction form
    3,438.44/5,157.62 = 972.93/x
  3. Step 3: Cross multiply
    3,438.44x = 5,157.62 × 972.93
  4. Step 4: Simplify right side
    3,438.44x = 5,018,003.23
  5. Step 5: Solve for x
    x = 5,018,003.23/3,438.44
  6. Step 6: Final answer
    x = 1,459.38

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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.