Home / 3,779.04-5,209.44-2,656.32

Finding the Fourth Proportional to 3,779.04, 5,209.44 and 2,656.32

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Solution

The fourth proportional to 3,779.04, 5,209.44 and 2,656.32 is: 3,661.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.04 : 5,209.44 = 2,656.32 : x
  2. Step 2: Convert to fraction form
    3,779.04/5,209.44 = 2,656.32/x
  3. Step 3: Cross multiply
    3,779.04x = 5,209.44 × 2,656.32
  4. Step 4: Simplify right side
    3,779.04x = 13,837,939.66
  5. Step 5: Solve for x
    x = 13,837,939.66/3,779.04
  6. Step 6: Final answer
    x = 3,661.76

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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.