Home / 3,085.80-4,629.36-1,005.87

Finding the Fourth Proportional to 3,085.80, 4,629.36 and 1,005.87

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Solution

The fourth proportional to 3,085.80, 4,629.36 and 1,005.87 is: 1,509.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.80 : 4,629.36 = 1,005.87 : x
  2. Step 2: Convert to fraction form
    3,085.80/4,629.36 = 1,005.87/x
  3. Step 3: Cross multiply
    3,085.80x = 4,629.36 × 1,005.87
  4. Step 4: Simplify right side
    3,085.80x = 4,656,534.34
  5. Step 5: Solve for x
    x = 4,656,534.34/3,085.80
  6. Step 6: Final answer
    x = 1,509.02

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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.