Home / 3,485.03-4,810.79-2,307.69

Finding the Fourth Proportional to 3,485.03, 4,810.79 and 2,307.69

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Solution

The fourth proportional to 3,485.03, 4,810.79 and 2,307.69 is: 3,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.03 : 4,810.79 = 2,307.69 : x
  2. Step 2: Convert to fraction form
    3,485.03/4,810.79 = 2,307.69/x
  3. Step 3: Cross multiply
    3,485.03x = 4,810.79 × 2,307.69
  4. Step 4: Simplify right side
    3,485.03x = 11,101,817.74
  5. Step 5: Solve for x
    x = 11,101,817.74/3,485.03
  6. Step 6: Final answer
    x = 3,185.58

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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.