Home / 3,186.02-4,396.47-1,788.50

Finding the Fourth Proportional to 3,186.02, 4,396.47 and 1,788.50

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Solution

The fourth proportional to 3,186.02, 4,396.47 and 1,788.50 is: 2,468.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.02 : 4,396.47 = 1,788.50 : x
  2. Step 2: Convert to fraction form
    3,186.02/4,396.47 = 1,788.50/x
  3. Step 3: Cross multiply
    3,186.02x = 4,396.47 × 1,788.50
  4. Step 4: Simplify right side
    3,186.02x = 7,863,086.60
  5. Step 5: Solve for x
    x = 7,863,086.60/3,186.02
  6. Step 6: Final answer
    x = 2,468.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.