Home / 3,371.23-4,648.28-2,977.57

Finding the Fourth Proportional to 3,371.23, 4,648.28 and 2,977.57

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Solution

The fourth proportional to 3,371.23, 4,648.28 and 2,977.57 is: 4,105.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.23 : 4,648.28 = 2,977.57 : x
  2. Step 2: Convert to fraction form
    3,371.23/4,648.28 = 2,977.57/x
  3. Step 3: Cross multiply
    3,371.23x = 4,648.28 × 2,977.57
  4. Step 4: Simplify right side
    3,371.23x = 13,840,579.08
  5. Step 5: Solve for x
    x = 13,840,579.08/3,371.23
  6. Step 6: Final answer
    x = 4,105.50

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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.