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Finding the Fourth Proportional to 3,124.03, 4,311.05 and 1,707.67

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Solution

The fourth proportional to 3,124.03, 4,311.05 and 1,707.67 is: 2,356.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.03 : 4,311.05 = 1,707.67 : x
  2. Step 2: Convert to fraction form
    3,124.03/4,311.05 = 1,707.67/x
  3. Step 3: Cross multiply
    3,124.03x = 4,311.05 × 1,707.67
  4. Step 4: Simplify right side
    3,124.03x = 7,361,850.75
  5. Step 5: Solve for x
    x = 7,361,850.75/3,124.03
  6. Step 6: Final answer
    x = 2,356.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.