Home / 3,424.89-5,136.42-1,575.06

Finding the Fourth Proportional to 3,424.89, 5,136.42 and 1,575.06

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Solution

The fourth proportional to 3,424.89, 5,136.42 and 1,575.06 is: 2,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.89 : 5,136.42 = 1,575.06 : x
  2. Step 2: Convert to fraction form
    3,424.89/5,136.42 = 1,575.06/x
  3. Step 3: Cross multiply
    3,424.89x = 5,136.42 × 1,575.06
  4. Step 4: Simplify right side
    3,424.89x = 8,090,169.69
  5. Step 5: Solve for x
    x = 8,090,169.69/3,424.89
  6. Step 6: Final answer
    x = 2,362.17

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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.