Home / 2,227.40-3,339.67-1,130.25

Finding the Fourth Proportional to 2,227.40, 3,339.67 and 1,130.25

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Solution

The fourth proportional to 2,227.40, 3,339.67 and 1,130.25 is: 1,694.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.40 : 3,339.67 = 1,130.25 : x
  2. Step 2: Convert to fraction form
    2,227.40/3,339.67 = 1,130.25/x
  3. Step 3: Cross multiply
    2,227.40x = 3,339.67 × 1,130.25
  4. Step 4: Simplify right side
    2,227.40x = 3,774,662.02
  5. Step 5: Solve for x
    x = 3,774,662.02/2,227.40
  6. Step 6: Final answer
    x = 1,694.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.