Home / 2,939.02-4,409.56-1,842.08

Finding the Fourth Proportional to 2,939.02, 4,409.56 and 1,842.08

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Solution

The fourth proportional to 2,939.02, 4,409.56 and 1,842.08 is: 2,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.02 : 4,409.56 = 1,842.08 : x
  2. Step 2: Convert to fraction form
    2,939.02/4,409.56 = 1,842.08/x
  3. Step 3: Cross multiply
    2,939.02x = 4,409.56 × 1,842.08
  4. Step 4: Simplify right side
    2,939.02x = 8,122,762.28
  5. Step 5: Solve for x
    x = 8,122,762.28/2,939.02
  6. Step 6: Final answer
    x = 2,763.77

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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.