Home / 2,038.66-2,813.35-1,107.16

Finding the Fourth Proportional to 2,038.66, 2,813.35 and 1,107.16

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Solution

The fourth proportional to 2,038.66, 2,813.35 and 1,107.16 is: 1,527.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.66 : 2,813.35 = 1,107.16 : x
  2. Step 2: Convert to fraction form
    2,038.66/2,813.35 = 1,107.16/x
  3. Step 3: Cross multiply
    2,038.66x = 2,813.35 × 1,107.16
  4. Step 4: Simplify right side
    2,038.66x = 3,114,828.59
  5. Step 5: Solve for x
    x = 3,114,828.59/2,038.66
  6. Step 6: Final answer
    x = 1,527.88

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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.