Home / 2,955.44-4,431.94-1,007.80

Finding the Fourth Proportional to 2,955.44, 4,431.94 and 1,007.80

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Solution

The fourth proportional to 2,955.44, 4,431.94 and 1,007.80 is: 1,511.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.44 : 4,431.94 = 1,007.80 : x
  2. Step 2: Convert to fraction form
    2,955.44/4,431.94 = 1,007.80/x
  3. Step 3: Cross multiply
    2,955.44x = 4,431.94 × 1,007.80
  4. Step 4: Simplify right side
    2,955.44x = 4,466,509.13
  5. Step 5: Solve for x
    x = 4,466,509.13/2,955.44
  6. Step 6: Final answer
    x = 1,511.28

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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.