Home / 2,287.44-3,157.20-1,356.08

Finding the Fourth Proportional to 2,287.44, 3,157.20 and 1,356.08

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Solution

The fourth proportional to 2,287.44, 3,157.20 and 1,356.08 is: 1,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.44 : 3,157.20 = 1,356.08 : x
  2. Step 2: Convert to fraction form
    2,287.44/3,157.20 = 1,356.08/x
  3. Step 3: Cross multiply
    2,287.44x = 3,157.20 × 1,356.08
  4. Step 4: Simplify right side
    2,287.44x = 4,281,415.78
  5. Step 5: Solve for x
    x = 4,281,415.78/2,287.44
  6. Step 6: Final answer
    x = 1,871.71

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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.