Home / 2,318.54-3,477.26-1,147.34

Finding the Fourth Proportional to 2,318.54, 3,477.26 and 1,147.34

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Solution

The fourth proportional to 2,318.54, 3,477.26 and 1,147.34 is: 1,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.54 : 3,477.26 = 1,147.34 : x
  2. Step 2: Convert to fraction form
    2,318.54/3,477.26 = 1,147.34/x
  3. Step 3: Cross multiply
    2,318.54x = 3,477.26 × 1,147.34
  4. Step 4: Simplify right side
    2,318.54x = 3,989,599.49
  5. Step 5: Solve for x
    x = 3,989,599.49/2,318.54
  6. Step 6: Final answer
    x = 1,720.74

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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.