Home / 2,039.08-2,813.93-1,107.58

Finding the Fourth Proportional to 2,039.08, 2,813.93 and 1,107.58

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Solution

The fourth proportional to 2,039.08, 2,813.93 and 1,107.58 is: 1,528.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.08 : 2,813.93 = 1,107.58 : x
  2. Step 2: Convert to fraction form
    2,039.08/2,813.93 = 1,107.58/x
  3. Step 3: Cross multiply
    2,039.08x = 2,813.93 × 1,107.58
  4. Step 4: Simplify right side
    2,039.08x = 3,116,652.59
  5. Step 5: Solve for x
    x = 3,116,652.59/2,039.08
  6. Step 6: Final answer
    x = 1,528.46

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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.