Home / 3,038.98-4,193.55-1,779.86

Finding the Fourth Proportional to 3,038.98, 4,193.55 and 1,779.86

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Solution

The fourth proportional to 3,038.98, 4,193.55 and 1,779.86 is: 2,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.98 : 4,193.55 = 1,779.86 : x
  2. Step 2: Convert to fraction form
    3,038.98/4,193.55 = 1,779.86/x
  3. Step 3: Cross multiply
    3,038.98x = 4,193.55 × 1,779.86
  4. Step 4: Simplify right side
    3,038.98x = 7,463,931.90
  5. Step 5: Solve for x
    x = 7,463,931.90/3,038.98
  6. Step 6: Final answer
    x = 2,456.06

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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.