Home / 2,747.04-3,740.16-2,738.40

Finding the Fourth Proportional to 2,747.04, 3,740.16 and 2,738.40

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Solution

The fourth proportional to 2,747.04, 3,740.16 and 2,738.40 is: 3,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.04 : 3,740.16 = 2,738.40 : x
  2. Step 2: Convert to fraction form
    2,747.04/3,740.16 = 2,738.40/x
  3. Step 3: Cross multiply
    2,747.04x = 3,740.16 × 2,738.40
  4. Step 4: Simplify right side
    2,747.04x = 10,242,054.14
  5. Step 5: Solve for x
    x = 10,242,054.14/2,747.04
  6. Step 6: Final answer
    x = 3,728.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.