Home / 3,804.93-5,707.40-2,139.17

Finding the Fourth Proportional to 3,804.93, 5,707.40 and 2,139.17

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Solution

The fourth proportional to 3,804.93, 5,707.40 and 2,139.17 is: 3,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.93 : 5,707.40 = 2,139.17 : x
  2. Step 2: Convert to fraction form
    3,804.93/5,707.40 = 2,139.17/x
  3. Step 3: Cross multiply
    3,804.93x = 5,707.40 × 2,139.17
  4. Step 4: Simplify right side
    3,804.93x = 12,209,098.86
  5. Step 5: Solve for x
    x = 12,209,098.86/3,804.93
  6. Step 6: Final answer
    x = 3,208.76

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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.