Home / 2,421.58-3,633.38-1,447.67

Finding the Fourth Proportional to 2,421.58, 3,633.38 and 1,447.67

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Solution

The fourth proportional to 2,421.58, 3,633.38 and 1,447.67 is: 2,172.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.58 : 3,633.38 = 1,447.67 : x
  2. Step 2: Convert to fraction form
    2,421.58/3,633.38 = 1,447.67/x
  3. Step 3: Cross multiply
    2,421.58x = 3,633.38 × 1,447.67
  4. Step 4: Simplify right side
    2,421.58x = 5,259,935.22
  5. Step 5: Solve for x
    x = 5,259,935.22/2,421.58
  6. Step 6: Final answer
    x = 2,172.11

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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.