Home / 2,288.06-3,157.49-1,293.30

Finding the Fourth Proportional to 2,288.06, 3,157.49 and 1,293.30

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Solution

The fourth proportional to 2,288.06, 3,157.49 and 1,293.30 is: 1,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.06 : 3,157.49 = 1,293.30 : x
  2. Step 2: Convert to fraction form
    2,288.06/3,157.49 = 1,293.30/x
  3. Step 3: Cross multiply
    2,288.06x = 3,157.49 × 1,293.30
  4. Step 4: Simplify right side
    2,288.06x = 4,083,583.70
  5. Step 5: Solve for x
    x = 4,083,583.70/2,288.06
  6. Step 6: Final answer
    x = 1,784.74

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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.