Home / 3,021.64-4,168.45-2,137.93

Finding the Fourth Proportional to 3,021.64, 4,168.45 and 2,137.93

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Solution

The fourth proportional to 3,021.64, 4,168.45 and 2,137.93 is: 2,949.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.64 : 4,168.45 = 2,137.93 : x
  2. Step 2: Convert to fraction form
    3,021.64/4,168.45 = 2,137.93/x
  3. Step 3: Cross multiply
    3,021.64x = 4,168.45 × 2,137.93
  4. Step 4: Simplify right side
    3,021.64x = 8,911,854.31
  5. Step 5: Solve for x
    x = 8,911,854.31/3,021.64
  6. Step 6: Final answer
    x = 2,949.34

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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.