Home / 2,049.46-2,824.95-1,386.07

Finding the Fourth Proportional to 2,049.46, 2,824.95 and 1,386.07

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Solution

The fourth proportional to 2,049.46, 2,824.95 and 1,386.07 is: 1,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.46 : 2,824.95 = 1,386.07 : x
  2. Step 2: Convert to fraction form
    2,049.46/2,824.95 = 1,386.07/x
  3. Step 3: Cross multiply
    2,049.46x = 2,824.95 × 1,386.07
  4. Step 4: Simplify right side
    2,049.46x = 3,915,578.45
  5. Step 5: Solve for x
    x = 3,915,578.45/2,049.46
  6. Step 6: Final answer
    x = 1,910.54

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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.