Home / 1,968.95-2,717.15-1,084.74

Finding the Fourth Proportional to 1,968.95, 2,717.15 and 1,084.74

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Solution

The fourth proportional to 1,968.95, 2,717.15 and 1,084.74 is: 1,496.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.95 : 2,717.15 = 1,084.74 : x
  2. Step 2: Convert to fraction form
    1,968.95/2,717.15 = 1,084.74/x
  3. Step 3: Cross multiply
    1,968.95x = 2,717.15 × 1,084.74
  4. Step 4: Simplify right side
    1,968.95x = 2,947,395.87
  5. Step 5: Solve for x
    x = 2,947,395.87/1,968.95
  6. Step 6: Final answer
    x = 1,496.94

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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.