Home / 2,984.47-4,121.63-2,237.25

Finding the Fourth Proportional to 2,984.47, 4,121.63 and 2,237.25

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Solution

The fourth proportional to 2,984.47, 4,121.63 and 2,237.25 is: 3,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.47 : 4,121.63 = 2,237.25 : x
  2. Step 2: Convert to fraction form
    2,984.47/4,121.63 = 2,237.25/x
  3. Step 3: Cross multiply
    2,984.47x = 4,121.63 × 2,237.25
  4. Step 4: Simplify right side
    2,984.47x = 9,221,096.11
  5. Step 5: Solve for x
    x = 9,221,096.11/2,984.47
  6. Step 6: Final answer
    x = 3,089.69

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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.