Home / 3,004.16-4,145.78-1,677.98

Finding the Fourth Proportional to 3,004.16, 4,145.78 and 1,677.98

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Solution

The fourth proportional to 3,004.16, 4,145.78 and 1,677.98 is: 2,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.16 : 4,145.78 = 1,677.98 : x
  2. Step 2: Convert to fraction form
    3,004.16/4,145.78 = 1,677.98/x
  3. Step 3: Cross multiply
    3,004.16x = 4,145.78 × 1,677.98
  4. Step 4: Simplify right side
    3,004.16x = 6,956,550.48
  5. Step 5: Solve for x
    x = 6,956,550.48/3,004.16
  6. Step 6: Final answer
    x = 2,315.64

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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.