Home / 1,809.90-2,497.65-1,023.95

Finding the Fourth Proportional to 1,809.90, 2,497.65 and 1,023.95

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Solution

The fourth proportional to 1,809.90, 2,497.65 and 1,023.95 is: 1,413.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.90 : 2,497.65 = 1,023.95 : x
  2. Step 2: Convert to fraction form
    1,809.90/2,497.65 = 1,023.95/x
  3. Step 3: Cross multiply
    1,809.90x = 2,497.65 × 1,023.95
  4. Step 4: Simplify right side
    1,809.90x = 2,557,456.23
  5. Step 5: Solve for x
    x = 2,557,456.23/1,809.90
  6. Step 6: Final answer
    x = 1,413.04

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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.