Home / 3,852.45-5,779.68-1,079.13

Finding the Fourth Proportional to 3,852.45, 5,779.68 and 1,079.13

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Solution

The fourth proportional to 3,852.45, 5,779.68 and 1,079.13 is: 1,618.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.45 : 5,779.68 = 1,079.13 : x
  2. Step 2: Convert to fraction form
    3,852.45/5,779.68 = 1,079.13/x
  3. Step 3: Cross multiply
    3,852.45x = 5,779.68 × 1,079.13
  4. Step 4: Simplify right side
    3,852.45x = 6,237,026.08
  5. Step 5: Solve for x
    x = 6,237,026.08/3,852.45
  6. Step 6: Final answer
    x = 1,618.98

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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.