Home / 3,670.12-5,503.74-1,478.44

Finding the Fourth Proportional to 3,670.12, 5,503.74 and 1,478.44

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Solution

The fourth proportional to 3,670.12, 5,503.74 and 1,478.44 is: 2,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.12 : 5,503.74 = 1,478.44 : x
  2. Step 2: Convert to fraction form
    3,670.12/5,503.74 = 1,478.44/x
  3. Step 3: Cross multiply
    3,670.12x = 5,503.74 × 1,478.44
  4. Step 4: Simplify right side
    3,670.12x = 8,136,949.37
  5. Step 5: Solve for x
    x = 8,136,949.37/3,670.12
  6. Step 6: Final answer
    x = 2,217.08

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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.