Home / 3,526.68-4,861.20-2,779.48

Finding the Fourth Proportional to 3,526.68, 4,861.20 and 2,779.48

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Solution

The fourth proportional to 3,526.68, 4,861.20 and 2,779.48 is: 3,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.68 : 4,861.20 = 2,779.48 : x
  2. Step 2: Convert to fraction form
    3,526.68/4,861.20 = 2,779.48/x
  3. Step 3: Cross multiply
    3,526.68x = 4,861.20 × 2,779.48
  4. Step 4: Simplify right side
    3,526.68x = 13,511,608.18
  5. Step 5: Solve for x
    x = 13,511,608.18/3,526.68
  6. Step 6: Final answer
    x = 3,831.25

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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.