Home / 2,230.26-3,074.96-1,432.18

Finding the Fourth Proportional to 2,230.26, 3,074.96 and 1,432.18

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Solution

The fourth proportional to 2,230.26, 3,074.96 and 1,432.18 is: 1,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.26 : 3,074.96 = 1,432.18 : x
  2. Step 2: Convert to fraction form
    2,230.26/3,074.96 = 1,432.18/x
  3. Step 3: Cross multiply
    2,230.26x = 3,074.96 × 1,432.18
  4. Step 4: Simplify right side
    2,230.26x = 4,403,880.84
  5. Step 5: Solve for x
    x = 4,403,880.84/2,230.26
  6. Step 6: Final answer
    x = 1,974.60

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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.