Home / 3,038.94-4,193.28-1,779.90

Finding the Fourth Proportional to 3,038.94, 4,193.28 and 1,779.90

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Solution

The fourth proportional to 3,038.94, 4,193.28 and 1,779.90 is: 2,455.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.94 : 4,193.28 = 1,779.90 : x
  2. Step 2: Convert to fraction form
    3,038.94/4,193.28 = 1,779.90/x
  3. Step 3: Cross multiply
    3,038.94x = 4,193.28 × 1,779.90
  4. Step 4: Simplify right side
    3,038.94x = 7,463,619.07
  5. Step 5: Solve for x
    x = 7,463,619.07/3,038.94
  6. Step 6: Final answer
    x = 2,455.99

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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.