Home / 2,968.86-4,097.19-1,790.11

Finding the Fourth Proportional to 2,968.86, 4,097.19 and 1,790.11

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Solution

The fourth proportional to 2,968.86, 4,097.19 and 1,790.11 is: 2,470.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.86 : 4,097.19 = 1,790.11 : x
  2. Step 2: Convert to fraction form
    2,968.86/4,097.19 = 1,790.11/x
  3. Step 3: Cross multiply
    2,968.86x = 4,097.19 × 1,790.11
  4. Step 4: Simplify right side
    2,968.86x = 7,334,420.79
  5. Step 5: Solve for x
    x = 7,334,420.79/2,968.86
  6. Step 6: Final answer
    x = 2,470.45

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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.