Home / 2,099.22-2,896.47-1,214.70

Finding the Fourth Proportional to 2,099.22, 2,896.47 and 1,214.70

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Solution

The fourth proportional to 2,099.22, 2,896.47 and 1,214.70 is: 1,676.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.22 : 2,896.47 = 1,214.70 : x
  2. Step 2: Convert to fraction form
    2,099.22/2,896.47 = 1,214.70/x
  3. Step 3: Cross multiply
    2,099.22x = 2,896.47 × 1,214.70
  4. Step 4: Simplify right side
    2,099.22x = 3,518,342.11
  5. Step 5: Solve for x
    x = 3,518,342.11/2,099.22
  6. Step 6: Final answer
    x = 1,676.02

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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.