Home / 2,095.12-2,893.64-1,309.84

Finding the Fourth Proportional to 2,095.12, 2,893.64 and 1,309.84

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Solution

The fourth proportional to 2,095.12, 2,893.64 and 1,309.84 is: 1,809.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.12 : 2,893.64 = 1,309.84 : x
  2. Step 2: Convert to fraction form
    2,095.12/2,893.64 = 1,309.84/x
  3. Step 3: Cross multiply
    2,095.12x = 2,893.64 × 1,309.84
  4. Step 4: Simplify right side
    2,095.12x = 3,790,205.42
  5. Step 5: Solve for x
    x = 3,790,205.42/2,095.12
  6. Step 6: Final answer
    x = 1,809.06

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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.