Home / 1,960.93-2,955.49-1,690.29

Finding the Fourth Proportional to 1,960.93, 2,955.49 and 1,690.29

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Solution

The fourth proportional to 1,960.93, 2,955.49 and 1,690.29 is: 2,547.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.93 : 2,955.49 = 1,690.29 : x
  2. Step 2: Convert to fraction form
    1,960.93/2,955.49 = 1,690.29/x
  3. Step 3: Cross multiply
    1,960.93x = 2,955.49 × 1,690.29
  4. Step 4: Simplify right side
    1,960.93x = 4,995,611.96
  5. Step 5: Solve for x
    x = 4,995,611.96/1,960.93
  6. Step 6: Final answer
    x = 2,547.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.