Home / 3,900.10-5,850.45-1,303.04

Finding the Fourth Proportional to 3,900.10, 5,850.45 and 1,303.04

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Solution

The fourth proportional to 3,900.10, 5,850.45 and 1,303.04 is: 1,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.10 : 5,850.45 = 1,303.04 : x
  2. Step 2: Convert to fraction form
    3,900.10/5,850.45 = 1,303.04/x
  3. Step 3: Cross multiply
    3,900.10x = 5,850.45 × 1,303.04
  4. Step 4: Simplify right side
    3,900.10x = 7,623,370.37
  5. Step 5: Solve for x
    x = 7,623,370.37/3,900.10
  6. Step 6: Final answer
    x = 1,954.66

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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.