Home / 2,823.15-3,895.46-1,628.00

Finding the Fourth Proportional to 2,823.15, 3,895.46 and 1,628.00

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Solution

The fourth proportional to 2,823.15, 3,895.46 and 1,628.00 is: 2,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.15 : 3,895.46 = 1,628.00 : x
  2. Step 2: Convert to fraction form
    2,823.15/3,895.46 = 1,628.00/x
  3. Step 3: Cross multiply
    2,823.15x = 3,895.46 × 1,628.00
  4. Step 4: Simplify right side
    2,823.15x = 6,341,801.98
  5. Step 5: Solve for x
    x = 6,341,801.98/2,823.15
  6. Step 6: Final answer
    x = 2,246.35

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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.