Home / 2,148.16-3,225.88-1,176.16

Finding the Fourth Proportional to 2,148.16, 3,225.88 and 1,176.16

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Solution

The fourth proportional to 2,148.16, 3,225.88 and 1,176.16 is: 1,766.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.16 : 3,225.88 = 1,176.16 : x
  2. Step 2: Convert to fraction form
    2,148.16/3,225.88 = 1,176.16/x
  3. Step 3: Cross multiply
    2,148.16x = 3,225.88 × 1,176.16
  4. Step 4: Simplify right side
    2,148.16x = 3,794,151.02
  5. Step 5: Solve for x
    x = 3,794,151.02/2,148.16
  6. Step 6: Final answer
    x = 1,766.23

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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.