Home / 2,828.04-4,242.08-1,161.74

Finding the Fourth Proportional to 2,828.04, 4,242.08 and 1,161.74

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Solution

The fourth proportional to 2,828.04, 4,242.08 and 1,161.74 is: 1,742.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.04 : 4,242.08 = 1,161.74 : x
  2. Step 2: Convert to fraction form
    2,828.04/4,242.08 = 1,161.74/x
  3. Step 3: Cross multiply
    2,828.04x = 4,242.08 × 1,161.74
  4. Step 4: Simplify right side
    2,828.04x = 4,928,194.02
  5. Step 5: Solve for x
    x = 4,928,194.02/2,828.04
  6. Step 6: Final answer
    x = 1,742.62

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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.