Home / 2,878.80-4,317.57-1,030.04

Finding the Fourth Proportional to 2,878.80, 4,317.57 and 1,030.04

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Solution

The fourth proportional to 2,878.80, 4,317.57 and 1,030.04 is: 1,544.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.80 : 4,317.57 = 1,030.04 : x
  2. Step 2: Convert to fraction form
    2,878.80/4,317.57 = 1,030.04/x
  3. Step 3: Cross multiply
    2,878.80x = 4,317.57 × 1,030.04
  4. Step 4: Simplify right side
    2,878.80x = 4,447,243.06
  5. Step 5: Solve for x
    x = 4,447,243.06/2,878.80
  6. Step 6: Final answer
    x = 1,544.83

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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.