Home / 3,520.10-4,849.28-2,960.58

Finding the Fourth Proportional to 3,520.10, 4,849.28 and 2,960.58

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Solution

The fourth proportional to 3,520.10, 4,849.28 and 2,960.58 is: 4,078.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.10 : 4,849.28 = 2,960.58 : x
  2. Step 2: Convert to fraction form
    3,520.10/4,849.28 = 2,960.58/x
  3. Step 3: Cross multiply
    3,520.10x = 4,849.28 × 2,960.58
  4. Step 4: Simplify right side
    3,520.10x = 14,356,681.38
  5. Step 5: Solve for x
    x = 14,356,681.38/3,520.10
  6. Step 6: Final answer
    x = 4,078.49

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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.