Home / 3,779.69-5,220.96-3,152.27

Finding the Fourth Proportional to 3,779.69, 5,220.96 and 3,152.27

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Solution

The fourth proportional to 3,779.69, 5,220.96 and 3,152.27 is: 4,354.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.69 : 5,220.96 = 3,152.27 : x
  2. Step 2: Convert to fraction form
    3,779.69/5,220.96 = 3,152.27/x
  3. Step 3: Cross multiply
    3,779.69x = 5,220.96 × 3,152.27
  4. Step 4: Simplify right side
    3,779.69x = 16,457,875.58
  5. Step 5: Solve for x
    x = 16,457,875.58/3,779.69
  6. Step 6: Final answer
    x = 4,354.29

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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.