Home / 2,918.64-4,029.36-2,023.68

Finding the Fourth Proportional to 2,918.64, 4,029.36 and 2,023.68

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Solution

The fourth proportional to 2,918.64, 4,029.36 and 2,023.68 is: 2,793.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.64 : 4,029.36 = 2,023.68 : x
  2. Step 2: Convert to fraction form
    2,918.64/4,029.36 = 2,023.68/x
  3. Step 3: Cross multiply
    2,918.64x = 4,029.36 × 2,023.68
  4. Step 4: Simplify right side
    2,918.64x = 8,154,135.24
  5. Step 5: Solve for x
    x = 8,154,135.24/2,918.64
  6. Step 6: Final answer
    x = 2,793.81

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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.