Home / 4,150.40-5,727.60-2,287.40

Finding the Fourth Proportional to 4,150.40, 5,727.60 and 2,287.40

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Solution

The fourth proportional to 4,150.40, 5,727.60 and 2,287.40 is: 3,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150.40 : 5,727.60 = 2,287.40 : x
  2. Step 2: Convert to fraction form
    4,150.40/5,727.60 = 2,287.40/x
  3. Step 3: Cross multiply
    4,150.40x = 5,727.60 × 2,287.40
  4. Step 4: Simplify right side
    4,150.40x = 13,101,283.60
  5. Step 5: Solve for x
    x = 13,101,283.60/4,150.40
  6. Step 6: Final answer
    x = 3,156.64

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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.