Home / 2,399.58-3,593.57-1,985.67

Finding the Fourth Proportional to 2,399.58, 3,593.57 and 1,985.67

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Solution

The fourth proportional to 2,399.58, 3,593.57 and 1,985.67 is: 2,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.58 : 3,593.57 = 1,985.67 : x
  2. Step 2: Convert to fraction form
    2,399.58/3,593.57 = 1,985.67/x
  3. Step 3: Cross multiply
    2,399.58x = 3,593.57 × 1,985.67
  4. Step 4: Simplify right side
    2,399.58x = 7,135,634.21
  5. Step 5: Solve for x
    x = 7,135,634.21/2,399.58
  6. Step 6: Final answer
    x = 2,973.70

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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.