Home / 3,371.49-4,652.78-2,111.63

Finding the Fourth Proportional to 3,371.49, 4,652.78 and 2,111.63

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Solution

The fourth proportional to 3,371.49, 4,652.78 and 2,111.63 is: 2,914.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.49 : 4,652.78 = 2,111.63 : x
  2. Step 2: Convert to fraction form
    3,371.49/4,652.78 = 2,111.63/x
  3. Step 3: Cross multiply
    3,371.49x = 4,652.78 × 2,111.63
  4. Step 4: Simplify right side
    3,371.49x = 9,824,916.01
  5. Step 5: Solve for x
    x = 9,824,916.01/3,371.49
  6. Step 6: Final answer
    x = 2,914.12

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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.