Home / 1,606.64-2,219.20-1,234.85

Finding the Fourth Proportional to 1,606.64, 2,219.20 and 1,234.85

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Solution

The fourth proportional to 1,606.64, 2,219.20 and 1,234.85 is: 1,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.64 : 2,219.20 = 1,234.85 : x
  2. Step 2: Convert to fraction form
    1,606.64/2,219.20 = 1,234.85/x
  3. Step 3: Cross multiply
    1,606.64x = 2,219.20 × 1,234.85
  4. Step 4: Simplify right side
    1,606.64x = 2,740,364.94
  5. Step 5: Solve for x
    x = 2,740,364.94/1,606.64
  6. Step 6: Final answer
    x = 1,705.65

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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.