Home / 2,097.08-2,893.02-1,309.76

Finding the Fourth Proportional to 2,097.08, 2,893.02 and 1,309.76

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Solution

The fourth proportional to 2,097.08, 2,893.02 and 1,309.76 is: 1,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.08 : 2,893.02 = 1,309.76 : x
  2. Step 2: Convert to fraction form
    2,097.08/2,893.02 = 1,309.76/x
  3. Step 3: Cross multiply
    2,097.08x = 2,893.02 × 1,309.76
  4. Step 4: Simplify right side
    2,097.08x = 3,789,161.88
  5. Step 5: Solve for x
    x = 3,789,161.88/2,097.08
  6. Step 6: Final answer
    x = 1,806.88

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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.