Home / 3,136.68-4,705.62-1,577.01

Finding the Fourth Proportional to 3,136.68, 4,705.62 and 1,577.01

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Solution

The fourth proportional to 3,136.68, 4,705.62 and 1,577.01 is: 2,365.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.68 : 4,705.62 = 1,577.01 : x
  2. Step 2: Convert to fraction form
    3,136.68/4,705.62 = 1,577.01/x
  3. Step 3: Cross multiply
    3,136.68x = 4,705.62 × 1,577.01
  4. Step 4: Simplify right side
    3,136.68x = 7,420,809.80
  5. Step 5: Solve for x
    x = 7,420,809.80/3,136.68
  6. Step 6: Final answer
    x = 2,365.82

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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.