Home / 3,207.66-4,779.60-2,858.32

Finding the Fourth Proportional to 3,207.66, 4,779.60 and 2,858.32

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Solution

The fourth proportional to 3,207.66, 4,779.60 and 2,858.32 is: 4,259.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.66 : 4,779.60 = 2,858.32 : x
  2. Step 2: Convert to fraction form
    3,207.66/4,779.60 = 2,858.32/x
  3. Step 3: Cross multiply
    3,207.66x = 4,779.60 × 2,858.32
  4. Step 4: Simplify right side
    3,207.66x = 13,661,626.27
  5. Step 5: Solve for x
    x = 13,661,626.27/3,207.66
  6. Step 6: Final answer
    x = 4,259.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.