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Finding the Fourth Proportional to 2,339.45, 3,492.05 and 2,062.67

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Solution

The fourth proportional to 2,339.45, 3,492.05 and 2,062.67 is: 3,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.45 : 3,492.05 = 2,062.67 : x
  2. Step 2: Convert to fraction form
    2,339.45/3,492.05 = 2,062.67/x
  3. Step 3: Cross multiply
    2,339.45x = 3,492.05 × 2,062.67
  4. Step 4: Simplify right side
    2,339.45x = 7,202,919.00
  5. Step 5: Solve for x
    x = 7,202,919.00/2,339.45
  6. Step 6: Final answer
    x = 3,078.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.