Home / 1,960.09-2,698.18-1,711.02

Finding the Fourth Proportional to 1,960.09, 2,698.18 and 1,711.02

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Solution

The fourth proportional to 1,960.09, 2,698.18 and 1,711.02 is: 2,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.09 : 2,698.18 = 1,711.02 : x
  2. Step 2: Convert to fraction form
    1,960.09/2,698.18 = 1,711.02/x
  3. Step 3: Cross multiply
    1,960.09x = 2,698.18 × 1,711.02
  4. Step 4: Simplify right side
    1,960.09x = 4,616,639.94
  5. Step 5: Solve for x
    x = 4,616,639.94/1,960.09
  6. Step 6: Final answer
    x = 2,355.32

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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.