Home / 2,318.54-3,199.63-1,270.60

Finding the Fourth Proportional to 2,318.54, 3,199.63 and 1,270.60

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Solution

The fourth proportional to 2,318.54, 3,199.63 and 1,270.60 is: 1,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.54 : 3,199.63 = 1,270.60 : x
  2. Step 2: Convert to fraction form
    2,318.54/3,199.63 = 1,270.60/x
  3. Step 3: Cross multiply
    2,318.54x = 3,199.63 × 1,270.60
  4. Step 4: Simplify right side
    2,318.54x = 4,065,438.70
  5. Step 5: Solve for x
    x = 4,065,438.70/2,318.54
  6. Step 6: Final answer
    x = 1,753.45

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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.