Home / 3,509.22-5,267.07-1,779.06

Finding the Fourth Proportional to 3,509.22, 5,267.07 and 1,779.06

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Solution

The fourth proportional to 3,509.22, 5,267.07 and 1,779.06 is: 2,670.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.22 : 5,267.07 = 1,779.06 : x
  2. Step 2: Convert to fraction form
    3,509.22/5,267.07 = 1,779.06/x
  3. Step 3: Cross multiply
    3,509.22x = 5,267.07 × 1,779.06
  4. Step 4: Simplify right side
    3,509.22x = 9,370,433.55
  5. Step 5: Solve for x
    x = 9,370,433.55/3,509.22
  6. Step 6: Final answer
    x = 2,670.23

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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.