Home / 3,354.29-4,628.85-1,938.77

Finding the Fourth Proportional to 3,354.29, 4,628.85 and 1,938.77

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Solution

The fourth proportional to 3,354.29, 4,628.85 and 1,938.77 is: 2,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.29 : 4,628.85 = 1,938.77 : x
  2. Step 2: Convert to fraction form
    3,354.29/4,628.85 = 1,938.77/x
  3. Step 3: Cross multiply
    3,354.29x = 4,628.85 × 1,938.77
  4. Step 4: Simplify right side
    3,354.29x = 8,974,252.37
  5. Step 5: Solve for x
    x = 8,974,252.37/3,354.29
  6. Step 6: Final answer
    x = 2,675.46

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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.