Home / 2,779.81-4,170.75-1,444.77

Finding the Fourth Proportional to 2,779.81, 4,170.75 and 1,444.77

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Solution

The fourth proportional to 2,779.81, 4,170.75 and 1,444.77 is: 2,167.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.81 : 4,170.75 = 1,444.77 : x
  2. Step 2: Convert to fraction form
    2,779.81/4,170.75 = 1,444.77/x
  3. Step 3: Cross multiply
    2,779.81x = 4,170.75 × 1,444.77
  4. Step 4: Simplify right side
    2,779.81x = 6,025,770.42
  5. Step 5: Solve for x
    x = 6,025,770.42/2,779.81
  6. Step 6: Final answer
    x = 2,167.69

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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.