Home / 4,221.45-5,825.80-2,543.37

Finding the Fourth Proportional to 4,221.45, 5,825.80 and 2,543.37

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Solution

The fourth proportional to 4,221.45, 5,825.80 and 2,543.37 is: 3,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.45 : 5,825.80 = 2,543.37 : x
  2. Step 2: Convert to fraction form
    4,221.45/5,825.80 = 2,543.37/x
  3. Step 3: Cross multiply
    4,221.45x = 5,825.80 × 2,543.37
  4. Step 4: Simplify right side
    4,221.45x = 14,817,152.23
  5. Step 5: Solve for x
    x = 14,817,152.23/4,221.45
  6. Step 6: Final answer
    x = 3,509.97

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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.