Home / 2,039.46-2,813.38-1,292.14

Finding the Fourth Proportional to 2,039.46, 2,813.38 and 1,292.14

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Solution

The fourth proportional to 2,039.46, 2,813.38 and 1,292.14 is: 1,782.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.46 : 2,813.38 = 1,292.14 : x
  2. Step 2: Convert to fraction form
    2,039.46/2,813.38 = 1,292.14/x
  3. Step 3: Cross multiply
    2,039.46x = 2,813.38 × 1,292.14
  4. Step 4: Simplify right side
    2,039.46x = 3,635,270.57
  5. Step 5: Solve for x
    x = 3,635,270.57/2,039.46
  6. Step 6: Final answer
    x = 1,782.47

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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.