Home / 2,852.53-4,279.37-1,391.71

Finding the Fourth Proportional to 2,852.53, 4,279.37 and 1,391.71

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Solution

The fourth proportional to 2,852.53, 4,279.37 and 1,391.71 is: 2,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.53 : 4,279.37 = 1,391.71 : x
  2. Step 2: Convert to fraction form
    2,852.53/4,279.37 = 1,391.71/x
  3. Step 3: Cross multiply
    2,852.53x = 4,279.37 × 1,391.71
  4. Step 4: Simplify right side
    2,852.53x = 5,955,642.02
  5. Step 5: Solve for x
    x = 5,955,642.02/2,852.53
  6. Step 6: Final answer
    x = 2,087.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.