Home / 2,136.14-3,204.40-675.30

Finding the Fourth Proportional to 2,136.14, 3,204.40 and 675.30

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Solution

The fourth proportional to 2,136.14, 3,204.40 and 675.30 is: 1,013.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.14 : 3,204.40 = 675.30 : x
  2. Step 2: Convert to fraction form
    2,136.14/3,204.40 = 675.30/x
  3. Step 3: Cross multiply
    2,136.14x = 3,204.40 × 675.30
  4. Step 4: Simplify right side
    2,136.14x = 2,163,931.32
  5. Step 5: Solve for x
    x = 2,163,931.32/2,136.14
  6. Step 6: Final answer
    x = 1,013.01

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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.