Home / 2,942.02-4,412.96-1,297.58

Finding the Fourth Proportional to 2,942.02, 4,412.96 and 1,297.58

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Solution

The fourth proportional to 2,942.02, 4,412.96 and 1,297.58 is: 1,946.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.02 : 4,412.96 = 1,297.58 : x
  2. Step 2: Convert to fraction form
    2,942.02/4,412.96 = 1,297.58/x
  3. Step 3: Cross multiply
    2,942.02x = 4,412.96 × 1,297.58
  4. Step 4: Simplify right side
    2,942.02x = 5,726,168.64
  5. Step 5: Solve for x
    x = 5,726,168.64/2,942.02
  6. Step 6: Final answer
    x = 1,946.34

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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.