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Finding the Fourth Proportional to 1,873.08, 2,793.53 and 1,774.67

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Solution

The fourth proportional to 1,873.08, 2,793.53 and 1,774.67 is: 2,646.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.08 : 2,793.53 = 1,774.67 : x
  2. Step 2: Convert to fraction form
    1,873.08/2,793.53 = 1,774.67/x
  3. Step 3: Cross multiply
    1,873.08x = 2,793.53 × 1,774.67
  4. Step 4: Simplify right side
    1,873.08x = 4,957,584.35
  5. Step 5: Solve for x
    x = 4,957,584.35/1,873.08
  6. Step 6: Final answer
    x = 2,646.76

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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.