Home / 3,503.43-4,835.55-2,178.13

Finding the Fourth Proportional to 3,503.43, 4,835.55 and 2,178.13

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Solution

The fourth proportional to 3,503.43, 4,835.55 and 2,178.13 is: 3,006.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.43 : 4,835.55 = 2,178.13 : x
  2. Step 2: Convert to fraction form
    3,503.43/4,835.55 = 2,178.13/x
  3. Step 3: Cross multiply
    3,503.43x = 4,835.55 × 2,178.13
  4. Step 4: Simplify right side
    3,503.43x = 10,532,456.52
  5. Step 5: Solve for x
    x = 10,532,456.52/3,503.43
  6. Step 6: Final answer
    x = 3,006.33

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Double scale
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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.