Home / 2,288.02-3,157.41-1,293.40

Finding the Fourth Proportional to 2,288.02, 3,157.41 and 1,293.40

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Solution

The fourth proportional to 2,288.02, 3,157.41 and 1,293.40 is: 1,784.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.02 : 3,157.41 = 1,293.40 : x
  2. Step 2: Convert to fraction form
    2,288.02/3,157.41 = 1,293.40/x
  3. Step 3: Cross multiply
    2,288.02x = 3,157.41 × 1,293.40
  4. Step 4: Simplify right side
    2,288.02x = 4,083,794.09
  5. Step 5: Solve for x
    x = 4,083,794.09/2,288.02
  6. Step 6: Final answer
    x = 1,784.86

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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.