Home / 1,922.16-2,885.58-1,101.09

Finding the Fourth Proportional to 1,922.16, 2,885.58 and 1,101.09

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Solution

The fourth proportional to 1,922.16, 2,885.58 and 1,101.09 is: 1,652.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.16 : 2,885.58 = 1,101.09 : x
  2. Step 2: Convert to fraction form
    1,922.16/2,885.58 = 1,101.09/x
  3. Step 3: Cross multiply
    1,922.16x = 2,885.58 × 1,101.09
  4. Step 4: Simplify right side
    1,922.16x = 3,177,283.28
  5. Step 5: Solve for x
    x = 3,177,283.28/1,922.16
  6. Step 6: Final answer
    x = 1,652.98

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1.5x scale

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.