Home / 3,085.45-4,628.75-1,004.89

Finding the Fourth Proportional to 3,085.45, 4,628.75 and 1,004.89

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Solution

The fourth proportional to 3,085.45, 4,628.75 and 1,004.89 is: 1,507.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.45 : 4,628.75 = 1,004.89 : x
  2. Step 2: Convert to fraction form
    3,085.45/4,628.75 = 1,004.89/x
  3. Step 3: Cross multiply
    3,085.45x = 4,628.75 × 1,004.89
  4. Step 4: Simplify right side
    3,085.45x = 4,651,384.59
  5. Step 5: Solve for x
    x = 4,651,384.59/3,085.45
  6. Step 6: Final answer
    x = 1,507.52

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1.5x scale

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.