Home / 3,038.51-4,193.43-1,779.49

Finding the Fourth Proportional to 3,038.51, 4,193.43 and 1,779.49

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Solution

The fourth proportional to 3,038.51, 4,193.43 and 1,779.49 is: 2,455.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.51 : 4,193.43 = 1,779.49 : x
  2. Step 2: Convert to fraction form
    3,038.51/4,193.43 = 1,779.49/x
  3. Step 3: Cross multiply
    3,038.51x = 4,193.43 × 1,779.49
  4. Step 4: Simplify right side
    3,038.51x = 7,462,145.78
  5. Step 5: Solve for x
    x = 7,462,145.78/3,038.51
  6. Step 6: Final answer
    x = 2,455.86

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1.5x scale

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.