Home / 3,558.24-5,337.42-1,478.22

Finding the Fourth Proportional to 3,558.24, 5,337.42 and 1,478.22

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Solution

The fourth proportional to 3,558.24, 5,337.42 and 1,478.22 is: 2,217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.24 : 5,337.42 = 1,478.22 : x
  2. Step 2: Convert to fraction form
    3,558.24/5,337.42 = 1,478.22/x
  3. Step 3: Cross multiply
    3,558.24x = 5,337.42 × 1,478.22
  4. Step 4: Simplify right side
    3,558.24x = 7,889,880.99
  5. Step 5: Solve for x
    x = 7,889,880.99/3,558.24
  6. Step 6: Final answer
    x = 2,217.35

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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.