Home / 2,230.44-3,077.90-1,235.64

Finding the Fourth Proportional to 2,230.44, 3,077.90 and 1,235.64

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Solution

The fourth proportional to 2,230.44, 3,077.90 and 1,235.64 is: 1,705.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.44 : 3,077.90 = 1,235.64 : x
  2. Step 2: Convert to fraction form
    2,230.44/3,077.90 = 1,235.64/x
  3. Step 3: Cross multiply
    2,230.44x = 3,077.90 × 1,235.64
  4. Step 4: Simplify right side
    2,230.44x = 3,803,176.36
  5. Step 5: Solve for x
    x = 3,803,176.36/2,230.44
  6. Step 6: Final answer
    x = 1,705.12

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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.