Home / 3,011.58-4,518.19-1,256.00

Finding the Fourth Proportional to 3,011.58, 4,518.19 and 1,256.00

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Solution

The fourth proportional to 3,011.58, 4,518.19 and 1,256.00 is: 1,884.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.58 : 4,518.19 = 1,256.00 : x
  2. Step 2: Convert to fraction form
    3,011.58/4,518.19 = 1,256.00/x
  3. Step 3: Cross multiply
    3,011.58x = 4,518.19 × 1,256.00
  4. Step 4: Simplify right side
    3,011.58x = 5,674,854.80
  5. Step 5: Solve for x
    x = 5,674,854.80/3,011.58
  6. Step 6: Final answer
    x = 1,884.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.