Home / 3,004.19-4,145.68-1,677.92

Finding the Fourth Proportional to 3,004.19, 4,145.68 and 1,677.92

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Solution

The fourth proportional to 3,004.19, 4,145.68 and 1,677.92 is: 2,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.19 : 4,145.68 = 1,677.92 : x
  2. Step 2: Convert to fraction form
    3,004.19/4,145.68 = 1,677.92/x
  3. Step 3: Cross multiply
    3,004.19x = 4,145.68 × 1,677.92
  4. Step 4: Simplify right side
    3,004.19x = 6,956,100.75
  5. Step 5: Solve for x
    x = 6,956,100.75/3,004.19
  6. Step 6: Final answer
    x = 2,315.47

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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.