Home / 3,698.40-5,549.80-1,967.04

Finding the Fourth Proportional to 3,698.40, 5,549.80 and 1,967.04

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Solution

The fourth proportional to 3,698.40, 5,549.80 and 1,967.04 is: 2,951.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.40 : 5,549.80 = 1,967.04 : x
  2. Step 2: Convert to fraction form
    3,698.40/5,549.80 = 1,967.04/x
  3. Step 3: Cross multiply
    3,698.40x = 5,549.80 × 1,967.04
  4. Step 4: Simplify right side
    3,698.40x = 10,916,678.59
  5. Step 5: Solve for x
    x = 10,916,678.59/3,698.40
  6. Step 6: Final answer
    x = 2,951.73

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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.