Home / 3,358.35-4,639.41-2,478.99

Finding the Fourth Proportional to 3,358.35, 4,639.41 and 2,478.99

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Solution

The fourth proportional to 3,358.35, 4,639.41 and 2,478.99 is: 3,424.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.35 : 4,639.41 = 2,478.99 : x
  2. Step 2: Convert to fraction form
    3,358.35/4,639.41 = 2,478.99/x
  3. Step 3: Cross multiply
    3,358.35x = 4,639.41 × 2,478.99
  4. Step 4: Simplify right side
    3,358.35x = 11,501,051.00
  5. Step 5: Solve for x
    x = 11,501,051.00/3,358.35
  6. Step 6: Final answer
    x = 3,424.61

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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.