Home / 3,586.98-5,378.39-1,393.14

Finding the Fourth Proportional to 3,586.98, 5,378.39 and 1,393.14

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Solution

The fourth proportional to 3,586.98, 5,378.39 and 1,393.14 is: 2,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.98 : 5,378.39 = 1,393.14 : x
  2. Step 2: Convert to fraction form
    3,586.98/5,378.39 = 1,393.14/x
  3. Step 3: Cross multiply
    3,586.98x = 5,378.39 × 1,393.14
  4. Step 4: Simplify right side
    3,586.98x = 7,492,850.24
  5. Step 5: Solve for x
    x = 7,492,850.24/3,586.98
  6. Step 6: Final answer
    x = 2,088.90

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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.