Home / 3,758.04-5,636.79-1,678.23

Finding the Fourth Proportional to 3,758.04, 5,636.79 and 1,678.23

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Solution

The fourth proportional to 3,758.04, 5,636.79 and 1,678.23 is: 2,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.04 : 5,636.79 = 1,678.23 : x
  2. Step 2: Convert to fraction form
    3,758.04/5,636.79 = 1,678.23/x
  3. Step 3: Cross multiply
    3,758.04x = 5,636.79 × 1,678.23
  4. Step 4: Simplify right side
    3,758.04x = 9,459,830.08
  5. Step 5: Solve for x
    x = 9,459,830.08/3,758.04
  6. Step 6: Final answer
    x = 2,517.22

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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.