Home / 3,030.26-4,182.47-1,788.98

Finding the Fourth Proportional to 3,030.26, 4,182.47 and 1,788.98

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Solution

The fourth proportional to 3,030.26, 4,182.47 and 1,788.98 is: 2,469.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.26 : 4,182.47 = 1,788.98 : x
  2. Step 2: Convert to fraction form
    3,030.26/4,182.47 = 1,788.98/x
  3. Step 3: Cross multiply
    3,030.26x = 4,182.47 × 1,788.98
  4. Step 4: Simplify right side
    3,030.26x = 7,482,355.18
  5. Step 5: Solve for x
    x = 7,482,355.18/3,030.26
  6. Step 6: Final answer
    x = 2,469.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.