Home / 3,114.52-4,297.60-1,788

Finding the Fourth Proportional to 3,114.52, 4,297.60 and 1,788

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Solution

The fourth proportional to 3,114.52, 4,297.60 and 1,788 is: 2,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.52 : 4,297.60 = 1,788 : x
  2. Step 2: Convert to fraction form
    3,114.52/4,297.60 = 1,788/x
  3. Step 3: Cross multiply
    3,114.52x = 4,297.60 × 1,788
  4. Step 4: Simplify right side
    3,114.52x = 7,684,108.80
  5. Step 5: Solve for x
    x = 7,684,108.80/3,114.52
  6. Step 6: Final answer
    x = 2,467.19

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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.