Home / 2,824.63-4,219.77-1,829.34

Finding the Fourth Proportional to 2,824.63, 4,219.77 and 1,829.34

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Solution

The fourth proportional to 2,824.63, 4,219.77 and 1,829.34 is: 2,732.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.63 : 4,219.77 = 1,829.34 : x
  2. Step 2: Convert to fraction form
    2,824.63/4,219.77 = 1,829.34/x
  3. Step 3: Cross multiply
    2,824.63x = 4,219.77 × 1,829.34
  4. Step 4: Simplify right side
    2,824.63x = 7,719,394.05
  5. Step 5: Solve for x
    x = 7,719,394.05/2,824.63
  6. Step 6: Final answer
    x = 2,732.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.