Home / 3,537.99-4,880.39-2,405.61

Finding the Fourth Proportional to 3,537.99, 4,880.39 and 2,405.61

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Solution

The fourth proportional to 3,537.99, 4,880.39 and 2,405.61 is: 3,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.99 : 4,880.39 = 2,405.61 : x
  2. Step 2: Convert to fraction form
    3,537.99/4,880.39 = 2,405.61/x
  3. Step 3: Cross multiply
    3,537.99x = 4,880.39 × 2,405.61
  4. Step 4: Simplify right side
    3,537.99x = 11,740,302.96
  5. Step 5: Solve for x
    x = 11,740,302.96/3,537.99
  6. Step 6: Final answer
    x = 3,318.35

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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.