Home / 1,863.80-2,566.84-1,823.48

Finding the Fourth Proportional to 1,863.80, 2,566.84 and 1,823.48

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Solution

The fourth proportional to 1,863.80, 2,566.84 and 1,823.48 is: 2,511.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.80 : 2,566.84 = 1,823.48 : x
  2. Step 2: Convert to fraction form
    1,863.80/2,566.84 = 1,823.48/x
  3. Step 3: Cross multiply
    1,863.80x = 2,566.84 × 1,823.48
  4. Step 4: Simplify right side
    1,863.80x = 4,680,581.40
  5. Step 5: Solve for x
    x = 4,680,581.40/1,863.80
  6. Step 6: Final answer
    x = 2,511.31

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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.