Home / 3,553.67-4,904.94-2,421.21

Finding the Fourth Proportional to 3,553.67, 4,904.94 and 2,421.21

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Solution

The fourth proportional to 3,553.67, 4,904.94 and 2,421.21 is: 3,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.67 : 4,904.94 = 2,421.21 : x
  2. Step 2: Convert to fraction form
    3,553.67/4,904.94 = 2,421.21/x
  3. Step 3: Cross multiply
    3,553.67x = 4,904.94 × 2,421.21
  4. Step 4: Simplify right side
    3,553.67x = 11,875,901.24
  5. Step 5: Solve for x
    x = 11,875,901.24/3,553.67
  6. Step 6: Final answer
    x = 3,341.87

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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.