Home / 2,099.23-2,896.36-1,214.98

Finding the Fourth Proportional to 2,099.23, 2,896.36 and 1,214.98

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Solution

The fourth proportional to 2,099.23, 2,896.36 and 1,214.98 is: 1,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.23 : 2,896.36 = 1,214.98 : x
  2. Step 2: Convert to fraction form
    2,099.23/2,896.36 = 1,214.98/x
  3. Step 3: Cross multiply
    2,099.23x = 2,896.36 × 1,214.98
  4. Step 4: Simplify right side
    2,099.23x = 3,519,009.19
  5. Step 5: Solve for x
    x = 3,519,009.19/2,099.23
  6. Step 6: Final answer
    x = 1,676.34

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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.