Home / 2,321.47-3,203.40-1,436.95

Finding the Fourth Proportional to 2,321.47, 3,203.40 and 1,436.95

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Solution

The fourth proportional to 2,321.47, 3,203.40 and 1,436.95 is: 1,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.47 : 3,203.40 = 1,436.95 : x
  2. Step 2: Convert to fraction form
    2,321.47/3,203.40 = 1,436.95/x
  3. Step 3: Cross multiply
    2,321.47x = 3,203.40 × 1,436.95
  4. Step 4: Simplify right side
    2,321.47x = 4,603,125.63
  5. Step 5: Solve for x
    x = 4,603,125.63/2,321.47
  6. Step 6: Final answer
    x = 1,982.85

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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.