Home / 1,599.44-2,206.45-1,378.01

Finding the Fourth Proportional to 1,599.44, 2,206.45 and 1,378.01

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Solution

The fourth proportional to 1,599.44, 2,206.45 and 1,378.01 is: 1,900.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.44 : 2,206.45 = 1,378.01 : x
  2. Step 2: Convert to fraction form
    1,599.44/2,206.45 = 1,378.01/x
  3. Step 3: Cross multiply
    1,599.44x = 2,206.45 × 1,378.01
  4. Step 4: Simplify right side
    1,599.44x = 3,040,512.24
  5. Step 5: Solve for x
    x = 3,040,512.24/1,599.44
  6. Step 6: Final answer
    x = 1,900.98

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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.