Home / 2,855.79-4,284.33-1,007.04

Finding the Fourth Proportional to 2,855.79, 4,284.33 and 1,007.04

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Solution

The fourth proportional to 2,855.79, 4,284.33 and 1,007.04 is: 1,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.79 : 4,284.33 = 1,007.04 : x
  2. Step 2: Convert to fraction form
    2,855.79/4,284.33 = 1,007.04/x
  3. Step 3: Cross multiply
    2,855.79x = 4,284.33 × 1,007.04
  4. Step 4: Simplify right side
    2,855.79x = 4,314,491.68
  5. Step 5: Solve for x
    x = 4,314,491.68/2,855.79
  6. Step 6: Final answer
    x = 1,510.79

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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.