Home / 3,846.09-5,307.60-2,077.69

Finding the Fourth Proportional to 3,846.09, 5,307.60 and 2,077.69

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Solution

The fourth proportional to 3,846.09, 5,307.60 and 2,077.69 is: 2,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.09 : 5,307.60 = 2,077.69 : x
  2. Step 2: Convert to fraction form
    3,846.09/5,307.60 = 2,077.69/x
  3. Step 3: Cross multiply
    3,846.09x = 5,307.60 × 2,077.69
  4. Step 4: Simplify right side
    3,846.09x = 11,027,547.44
  5. Step 5: Solve for x
    x = 11,027,547.44/3,846.09
  6. Step 6: Final answer
    x = 2,867.21

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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.