Home / 3,504.86-5,256.51-1,424.31

Finding the Fourth Proportional to 3,504.86, 5,256.51 and 1,424.31

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Solution

The fourth proportional to 3,504.86, 5,256.51 and 1,424.31 is: 2,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.86 : 5,256.51 = 1,424.31 : x
  2. Step 2: Convert to fraction form
    3,504.86/5,256.51 = 1,424.31/x
  3. Step 3: Cross multiply
    3,504.86x = 5,256.51 × 1,424.31
  4. Step 4: Simplify right side
    3,504.86x = 7,486,899.76
  5. Step 5: Solve for x
    x = 7,486,899.76/3,504.86
  6. Step 6: Final answer
    x = 2,136.15

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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.