Home / 3,188.02-4,781.04-1,239.74

Finding the Fourth Proportional to 3,188.02, 4,781.04 and 1,239.74

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Solution

The fourth proportional to 3,188.02, 4,781.04 and 1,239.74 is: 1,859.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.02 : 4,781.04 = 1,239.74 : x
  2. Step 2: Convert to fraction form
    3,188.02/4,781.04 = 1,239.74/x
  3. Step 3: Cross multiply
    3,188.02x = 4,781.04 × 1,239.74
  4. Step 4: Simplify right side
    3,188.02x = 5,927,246.53
  5. Step 5: Solve for x
    x = 5,927,246.53/3,188.02
  6. Step 6: Final answer
    x = 1,859.23

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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.