Home / 2,378.50-3,283.47-1,583.15

Finding the Fourth Proportional to 2,378.50, 3,283.47 and 1,583.15

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Solution

The fourth proportional to 2,378.50, 3,283.47 and 1,583.15 is: 2,185.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.50 : 3,283.47 = 1,583.15 : x
  2. Step 2: Convert to fraction form
    2,378.50/3,283.47 = 1,583.15/x
  3. Step 3: Cross multiply
    2,378.50x = 3,283.47 × 1,583.15
  4. Step 4: Simplify right side
    2,378.50x = 5,198,209.11
  5. Step 5: Solve for x
    x = 5,198,209.11/2,378.50
  6. Step 6: Final answer
    x = 2,185.50

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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.