Home / 3,004.40-4,146.22-1,678.08

Finding the Fourth Proportional to 3,004.40, 4,146.22 and 1,678.08

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Solution

The fourth proportional to 3,004.40, 4,146.22 and 1,678.08 is: 2,315.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.40 : 4,146.22 = 1,678.08 : x
  2. Step 2: Convert to fraction form
    3,004.40/4,146.22 = 1,678.08/x
  3. Step 3: Cross multiply
    3,004.40x = 4,146.22 × 1,678.08
  4. Step 4: Simplify right side
    3,004.40x = 6,957,706.50
  5. Step 5: Solve for x
    x = 6,957,706.50/3,004.40
  6. Step 6: Final answer
    x = 2,315.84

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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.