Home / 2,318.64-3,477.96-675.22

Finding the Fourth Proportional to 2,318.64, 3,477.96 and 675.22

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Solution

The fourth proportional to 2,318.64, 3,477.96 and 675.22 is: 1,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.64 : 3,477.96 = 675.22 : x
  2. Step 2: Convert to fraction form
    2,318.64/3,477.96 = 675.22/x
  3. Step 3: Cross multiply
    2,318.64x = 3,477.96 × 675.22
  4. Step 4: Simplify right side
    2,318.64x = 2,348,398.53
  5. Step 5: Solve for x
    x = 2,348,398.53/2,318.64
  6. Step 6: Final answer
    x = 1,012.84

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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.