Home / 2,303.85-3,179.28-1,255.89

Finding the Fourth Proportional to 2,303.85, 3,179.28 and 1,255.89

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Solution

The fourth proportional to 2,303.85, 3,179.28 and 1,255.89 is: 1,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.85 : 3,179.28 = 1,255.89 : x
  2. Step 2: Convert to fraction form
    2,303.85/3,179.28 = 1,255.89/x
  3. Step 3: Cross multiply
    2,303.85x = 3,179.28 × 1,255.89
  4. Step 4: Simplify right side
    2,303.85x = 3,992,825.96
  5. Step 5: Solve for x
    x = 3,992,825.96/2,303.85
  6. Step 6: Final answer
    x = 1,733.11

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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.