Home / 4,129.44-5,703.30-2,800.83

Finding the Fourth Proportional to 4,129.44, 5,703.30 and 2,800.83

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Solution

The fourth proportional to 4,129.44, 5,703.30 and 2,800.83 is: 3,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.44 : 5,703.30 = 2,800.83 : x
  2. Step 2: Convert to fraction form
    4,129.44/5,703.30 = 2,800.83/x
  3. Step 3: Cross multiply
    4,129.44x = 5,703.30 × 2,800.83
  4. Step 4: Simplify right side
    4,129.44x = 15,973,973.74
  5. Step 5: Solve for x
    x = 15,973,973.74/4,129.44
  6. Step 6: Final answer
    x = 3,868.31

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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.