Home / 2,303.80-3,179.23-1,255.86

Finding the Fourth Proportional to 2,303.80, 3,179.23 and 1,255.86

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Solution

The fourth proportional to 2,303.80, 3,179.23 and 1,255.86 is: 1,733.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.80 : 3,179.23 = 1,255.86 : x
  2. Step 2: Convert to fraction form
    2,303.80/3,179.23 = 1,255.86/x
  3. Step 3: Cross multiply
    2,303.80x = 3,179.23 × 1,255.86
  4. Step 4: Simplify right side
    2,303.80x = 3,992,671.71
  5. Step 5: Solve for x
    x = 3,992,671.71/2,303.80
  6. Step 6: Final answer
    x = 1,733.08

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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.