Home / 2,847.04-3,928.08-1,668.16

Finding the Fourth Proportional to 2,847.04, 3,928.08 and 1,668.16

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Solution

The fourth proportional to 2,847.04, 3,928.08 and 1,668.16 is: 2,301.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.04 : 3,928.08 = 1,668.16 : x
  2. Step 2: Convert to fraction form
    2,847.04/3,928.08 = 1,668.16/x
  3. Step 3: Cross multiply
    2,847.04x = 3,928.08 × 1,668.16
  4. Step 4: Simplify right side
    2,847.04x = 6,552,665.93
  5. Step 5: Solve for x
    x = 6,552,665.93/2,847.04
  6. Step 6: Final answer
    x = 2,301.57

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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.