Home / 2,759.36-3,807.82-1,580.38

Finding the Fourth Proportional to 2,759.36, 3,807.82 and 1,580.38

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Solution

The fourth proportional to 2,759.36, 3,807.82 and 1,580.38 is: 2,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.36 : 3,807.82 = 1,580.38 : x
  2. Step 2: Convert to fraction form
    2,759.36/3,807.82 = 1,580.38/x
  3. Step 3: Cross multiply
    2,759.36x = 3,807.82 × 1,580.38
  4. Step 4: Simplify right side
    2,759.36x = 6,017,802.57
  5. Step 5: Solve for x
    x = 6,017,802.57/2,759.36
  6. Step 6: Final answer
    x = 2,180.87

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1.5x scale

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.