Home / 3,554.10-4,905.34-2,138.94

Finding the Fourth Proportional to 3,554.10, 4,905.34 and 2,138.94

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Solution

The fourth proportional to 3,554.10, 4,905.34 and 2,138.94 is: 2,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.10 : 4,905.34 = 2,138.94 : x
  2. Step 2: Convert to fraction form
    3,554.10/4,905.34 = 2,138.94/x
  3. Step 3: Cross multiply
    3,554.10x = 4,905.34 × 2,138.94
  4. Step 4: Simplify right side
    3,554.10x = 10,492,227.94
  5. Step 5: Solve for x
    x = 10,492,227.94/3,554.10
  6. Step 6: Final answer
    x = 2,952.15

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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.