Home / 3,461.81-4,779.01-2,136.25

Finding the Fourth Proportional to 3,461.81, 4,779.01 and 2,136.25

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Solution

The fourth proportional to 3,461.81, 4,779.01 and 2,136.25 is: 2,949.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.81 : 4,779.01 = 2,136.25 : x
  2. Step 2: Convert to fraction form
    3,461.81/4,779.01 = 2,136.25/x
  3. Step 3: Cross multiply
    3,461.81x = 4,779.01 × 2,136.25
  4. Step 4: Simplify right side
    3,461.81x = 10,209,136.22
  5. Step 5: Solve for x
    x = 10,209,136.22/3,461.81
  6. Step 6: Final answer
    x = 2,949.07

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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.