Home / 3,638.28-5,455.04-1,763.67

Finding the Fourth Proportional to 3,638.28, 5,455.04 and 1,763.67

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Solution

The fourth proportional to 3,638.28, 5,455.04 and 1,763.67 is: 2,644.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.28 : 5,455.04 = 1,763.67 : x
  2. Step 2: Convert to fraction form
    3,638.28/5,455.04 = 1,763.67/x
  3. Step 3: Cross multiply
    3,638.28x = 5,455.04 × 1,763.67
  4. Step 4: Simplify right side
    3,638.28x = 9,620,881.58
  5. Step 5: Solve for x
    x = 9,620,881.58/3,638.28
  6. Step 6: Final answer
    x = 2,644.35

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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.