Home / 3,513.57-4,849.53-2,318.77

Finding the Fourth Proportional to 3,513.57, 4,849.53 and 2,318.77

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Solution

The fourth proportional to 3,513.57, 4,849.53 and 2,318.77 is: 3,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.57 : 4,849.53 = 2,318.77 : x
  2. Step 2: Convert to fraction form
    3,513.57/4,849.53 = 2,318.77/x
  3. Step 3: Cross multiply
    3,513.57x = 4,849.53 × 2,318.77
  4. Step 4: Simplify right side
    3,513.57x = 11,244,927.81
  5. Step 5: Solve for x
    x = 11,244,927.81/3,513.57
  6. Step 6: Final answer
    x = 3,200.43

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Half scale
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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.