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Finding the Fourth Proportional to 3,900.39, 5,850.59 and 1,303.33

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Solution

The fourth proportional to 3,900.39, 5,850.59 and 1,303.33 is: 1,955.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.39 : 5,850.59 = 1,303.33 : x
  2. Step 2: Convert to fraction form
    3,900.39/5,850.59 = 1,303.33/x
  3. Step 3: Cross multiply
    3,900.39x = 5,850.59 × 1,303.33
  4. Step 4: Simplify right side
    3,900.39x = 7,625,249.46
  5. Step 5: Solve for x
    x = 7,625,249.46/3,900.39
  6. Step 6: Final answer
    x = 1,955.00

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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.