Home / 2,968.02-4,095.87-1,788.78

Finding the Fourth Proportional to 2,968.02, 4,095.87 and 1,788.78

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Solution

The fourth proportional to 2,968.02, 4,095.87 and 1,788.78 is: 2,468.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.02 : 4,095.87 = 1,788.78 : x
  2. Step 2: Convert to fraction form
    2,968.02/4,095.87 = 1,788.78/x
  3. Step 3: Cross multiply
    2,968.02x = 4,095.87 × 1,788.78
  4. Step 4: Simplify right side
    2,968.02x = 7,326,610.34
  5. Step 5: Solve for x
    x = 7,326,610.34/2,968.02
  6. Step 6: Final answer
    x = 2,468.52

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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.