Home / 3,203.72-4,421.70-2,545.60

Finding the Fourth Proportional to 3,203.72, 4,421.70 and 2,545.60

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Solution

The fourth proportional to 3,203.72, 4,421.70 and 2,545.60 is: 3,513.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.72 : 4,421.70 = 2,545.60 : x
  2. Step 2: Convert to fraction form
    3,203.72/4,421.70 = 2,545.60/x
  3. Step 3: Cross multiply
    3,203.72x = 4,421.70 × 2,545.60
  4. Step 4: Simplify right side
    3,203.72x = 11,255,879.52
  5. Step 5: Solve for x
    x = 11,255,879.52/3,203.72
  6. Step 6: Final answer
    x = 3,513.38

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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.