Home / 3,461.36-4,779.15-2,136.86

Finding the Fourth Proportional to 3,461.36, 4,779.15 and 2,136.86

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Solution

The fourth proportional to 3,461.36, 4,779.15 and 2,136.86 is: 2,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.36 : 4,779.15 = 2,136.86 : x
  2. Step 2: Convert to fraction form
    3,461.36/4,779.15 = 2,136.86/x
  3. Step 3: Cross multiply
    3,461.36x = 4,779.15 × 2,136.86
  4. Step 4: Simplify right side
    3,461.36x = 10,212,374.47
  5. Step 5: Solve for x
    x = 10,212,374.47/3,461.36
  6. Step 6: Final answer
    x = 2,950.39

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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.