Home / 1,629.56-2,445.15-655.67

Finding the Fourth Proportional to 1,629.56, 2,445.15 and 655.67

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Solution

The fourth proportional to 1,629.56, 2,445.15 and 655.67 is: 983.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.56 : 2,445.15 = 655.67 : x
  2. Step 2: Convert to fraction form
    1,629.56/2,445.15 = 655.67/x
  3. Step 3: Cross multiply
    1,629.56x = 2,445.15 × 655.67
  4. Step 4: Simplify right side
    1,629.56x = 1,603,211.50
  5. Step 5: Solve for x
    x = 1,603,211.50/1,629.56
  6. Step 6: Final answer
    x = 983.83

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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.