Home / 2,230.32-3,077.59-1,235.35

Finding the Fourth Proportional to 2,230.32, 3,077.59 and 1,235.35

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Solution

The fourth proportional to 2,230.32, 3,077.59 and 1,235.35 is: 1,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.32 : 3,077.59 = 1,235.35 : x
  2. Step 2: Convert to fraction form
    2,230.32/3,077.59 = 1,235.35/x
  3. Step 3: Cross multiply
    2,230.32x = 3,077.59 × 1,235.35
  4. Step 4: Simplify right side
    2,230.32x = 3,801,879.24
  5. Step 5: Solve for x
    x = 3,801,879.24/2,230.32
  6. Step 6: Final answer
    x = 1,704.63

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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.