Home / 3,120.04-4,681.14-1,270.60

Finding the Fourth Proportional to 3,120.04, 4,681.14 and 1,270.60

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Solution

The fourth proportional to 3,120.04, 4,681.14 and 1,270.60 is: 1,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120.04 : 4,681.14 = 1,270.60 : x
  2. Step 2: Convert to fraction form
    3,120.04/4,681.14 = 1,270.60/x
  3. Step 3: Cross multiply
    3,120.04x = 4,681.14 × 1,270.60
  4. Step 4: Simplify right side
    3,120.04x = 5,947,856.48
  5. Step 5: Solve for x
    x = 5,947,856.48/3,120.04
  6. Step 6: Final answer
    x = 1,906.34

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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.