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Finding the Fourth Proportional to 3,779.77, 5,660.53 and 2,274.46

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Solution

The fourth proportional to 3,779.77, 5,660.53 and 2,274.46 is: 3,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.77 : 5,660.53 = 2,274.46 : x
  2. Step 2: Convert to fraction form
    3,779.77/5,660.53 = 2,274.46/x
  3. Step 3: Cross multiply
    3,779.77x = 5,660.53 × 2,274.46
  4. Step 4: Simplify right side
    3,779.77x = 12,874,649.06
  5. Step 5: Solve for x
    x = 12,874,649.06/3,779.77
  6. Step 6: Final answer
    x = 3,406.20

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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.