Home / 1,401.75-2,103.30-536.67

Finding the Fourth Proportional to 1,401.75, 2,103.30 and 536.67

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Solution

The fourth proportional to 1,401.75, 2,103.30 and 536.67 is: 805.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401.75 : 2,103.30 = 536.67 : x
  2. Step 2: Convert to fraction form
    1,401.75/2,103.30 = 536.67/x
  3. Step 3: Cross multiply
    1,401.75x = 2,103.30 × 536.67
  4. Step 4: Simplify right side
    1,401.75x = 1,128,778.01
  5. Step 5: Solve for x
    x = 1,128,778.01/1,401.75
  6. Step 6: Final answer
    x = 805.26

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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.