Home / 2,622.87-3,934.31-1,798.64

Finding the Fourth Proportional to 2,622.87, 3,934.31 and 1,798.64

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Solution

The fourth proportional to 2,622.87, 3,934.31 and 1,798.64 is: 2,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.87 : 3,934.31 = 1,798.64 : x
  2. Step 2: Convert to fraction form
    2,622.87/3,934.31 = 1,798.64/x
  3. Step 3: Cross multiply
    2,622.87x = 3,934.31 × 1,798.64
  4. Step 4: Simplify right side
    2,622.87x = 7,076,408.18
  5. Step 5: Solve for x
    x = 7,076,408.18/2,622.87
  6. Step 6: Final answer
    x = 2,697.96

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1.5x scale

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.