Home / 3,136.10-4,705.74-1,492.34

Finding the Fourth Proportional to 3,136.10, 4,705.74 and 1,492.34

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Solution

The fourth proportional to 3,136.10, 4,705.74 and 1,492.34 is: 2,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.10 : 4,705.74 = 1,492.34 : x
  2. Step 2: Convert to fraction form
    3,136.10/4,705.74 = 1,492.34/x
  3. Step 3: Cross multiply
    3,136.10x = 4,705.74 × 1,492.34
  4. Step 4: Simplify right side
    3,136.10x = 7,022,564.03
  5. Step 5: Solve for x
    x = 7,022,564.03/3,136.10
  6. Step 6: Final answer
    x = 2,239.27

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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.