Home / 3,004.16-4,145.85-1,678.19

Finding the Fourth Proportional to 3,004.16, 4,145.85 and 1,678.19

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Solution

The fourth proportional to 3,004.16, 4,145.85 and 1,678.19 is: 2,315.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.16 : 4,145.85 = 1,678.19 : x
  2. Step 2: Convert to fraction form
    3,004.16/4,145.85 = 1,678.19/x
  3. Step 3: Cross multiply
    3,004.16x = 4,145.85 × 1,678.19
  4. Step 4: Simplify right side
    3,004.16x = 6,957,503.28
  5. Step 5: Solve for x
    x = 6,957,503.28/3,004.16
  6. Step 6: Final answer
    x = 2,315.96

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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.