Home / 3,845.94-5,307.67-2,900.06

Finding the Fourth Proportional to 3,845.94, 5,307.67 and 2,900.06

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Solution

The fourth proportional to 3,845.94, 5,307.67 and 2,900.06 is: 4,002.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.94 : 5,307.67 = 2,900.06 : x
  2. Step 2: Convert to fraction form
    3,845.94/5,307.67 = 2,900.06/x
  3. Step 3: Cross multiply
    3,845.94x = 5,307.67 × 2,900.06
  4. Step 4: Simplify right side
    3,845.94x = 15,392,561.46
  5. Step 5: Solve for x
    x = 15,392,561.46/3,845.94
  6. Step 6: Final answer
    x = 4,002.29

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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.