Home / 2,997.36-4,135.96-1,818.48

Finding the Fourth Proportional to 2,997.36, 4,135.96 and 1,818.48

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Solution

The fourth proportional to 2,997.36, 4,135.96 and 1,818.48 is: 2,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.36 : 4,135.96 = 1,818.48 : x
  2. Step 2: Convert to fraction form
    2,997.36/4,135.96 = 1,818.48/x
  3. Step 3: Cross multiply
    2,997.36x = 4,135.96 × 1,818.48
  4. Step 4: Simplify right side
    2,997.36x = 7,521,160.54
  5. Step 5: Solve for x
    x = 7,521,160.54/2,997.36
  6. Step 6: Final answer
    x = 2,509.26

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1.5x scale

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.