Home / 3,462.36-4,779.88-2,782.80

Finding the Fourth Proportional to 3,462.36, 4,779.88 and 2,782.80

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Solution

The fourth proportional to 3,462.36, 4,779.88 and 2,782.80 is: 3,841.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.36 : 4,779.88 = 2,782.80 : x
  2. Step 2: Convert to fraction form
    3,462.36/4,779.88 = 2,782.80/x
  3. Step 3: Cross multiply
    3,462.36x = 4,779.88 × 2,782.80
  4. Step 4: Simplify right side
    3,462.36x = 13,301,450.06
  5. Step 5: Solve for x
    x = 13,301,450.06/3,462.36
  6. Step 6: Final answer
    x = 3,841.73

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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.