Home / 2,230.12-3,077.86-1,334.16

Finding the Fourth Proportional to 2,230.12, 3,077.86 and 1,334.16

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Solution

The fourth proportional to 2,230.12, 3,077.86 and 1,334.16 is: 1,841.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.12 : 3,077.86 = 1,334.16 : x
  2. Step 2: Convert to fraction form
    2,230.12/3,077.86 = 1,334.16/x
  3. Step 3: Cross multiply
    2,230.12x = 3,077.86 × 1,334.16
  4. Step 4: Simplify right side
    2,230.12x = 4,106,357.70
  5. Step 5: Solve for x
    x = 4,106,357.70/2,230.12
  6. Step 6: Final answer
    x = 1,841.32

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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.