Home / 2,803.45-4,199.10-1,819.30

Finding the Fourth Proportional to 2,803.45, 4,199.10 and 1,819.30

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Solution

The fourth proportional to 2,803.45, 4,199.10 and 1,819.30 is: 2,725.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.45 : 4,199.10 = 1,819.30 : x
  2. Step 2: Convert to fraction form
    2,803.45/4,199.10 = 1,819.30/x
  3. Step 3: Cross multiply
    2,803.45x = 4,199.10 × 1,819.30
  4. Step 4: Simplify right side
    2,803.45x = 7,639,422.63
  5. Step 5: Solve for x
    x = 7,639,422.63/2,803.45
  6. Step 6: Final answer
    x = 2,725.01

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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.