Home / 3,558.82-5,336.78-1,477.40

Finding the Fourth Proportional to 3,558.82, 5,336.78 and 1,477.40

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Solution

The fourth proportional to 3,558.82, 5,336.78 and 1,477.40 is: 2,215.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.82 : 5,336.78 = 1,477.40 : x
  2. Step 2: Convert to fraction form
    3,558.82/5,336.78 = 1,477.40/x
  3. Step 3: Cross multiply
    3,558.82x = 5,336.78 × 1,477.40
  4. Step 4: Simplify right side
    3,558.82x = 7,884,558.77
  5. Step 5: Solve for x
    x = 7,884,558.77/3,558.82
  6. Step 6: Final answer
    x = 2,215.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.