Home / 2,818.87-4,219.80-2,037.63

Finding the Fourth Proportional to 2,818.87, 4,219.80 and 2,037.63

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Solution

The fourth proportional to 2,818.87, 4,219.80 and 2,037.63 is: 3,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.87 : 4,219.80 = 2,037.63 : x
  2. Step 2: Convert to fraction form
    2,818.87/4,219.80 = 2,037.63/x
  3. Step 3: Cross multiply
    2,818.87x = 4,219.80 × 2,037.63
  4. Step 4: Simplify right side
    2,818.87x = 8,598,391.07
  5. Step 5: Solve for x
    x = 8,598,391.07/2,818.87
  6. Step 6: Final answer
    x = 3,050.30

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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.