Home / 3,684.80-5,526.40-1,219.04

Finding the Fourth Proportional to 3,684.80, 5,526.40 and 1,219.04

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Solution

The fourth proportional to 3,684.80, 5,526.40 and 1,219.04 is: 1,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.80 : 5,526.40 = 1,219.04 : x
  2. Step 2: Convert to fraction form
    3,684.80/5,526.40 = 1,219.04/x
  3. Step 3: Cross multiply
    3,684.80x = 5,526.40 × 1,219.04
  4. Step 4: Simplify right side
    3,684.80x = 6,736,902.66
  5. Step 5: Solve for x
    x = 6,736,902.66/3,684.80
  6. Step 6: Final answer
    x = 1,828.30

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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.