Home / 3,254.10-4,879.35-1,404.90

Finding the Fourth Proportional to 3,254.10, 4,879.35 and 1,404.90

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Solution

The fourth proportional to 3,254.10, 4,879.35 and 1,404.90 is: 2,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.10 : 4,879.35 = 1,404.90 : x
  2. Step 2: Convert to fraction form
    3,254.10/4,879.35 = 1,404.90/x
  3. Step 3: Cross multiply
    3,254.10x = 4,879.35 × 1,404.90
  4. Step 4: Simplify right side
    3,254.10x = 6,854,998.82
  5. Step 5: Solve for x
    x = 6,854,998.82/3,254.10
  6. Step 6: Final answer
    x = 2,106.57

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1.5x scale

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.