Home / 3,136.85-4,705.51-1,056.86

Finding the Fourth Proportional to 3,136.85, 4,705.51 and 1,056.86

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Solution

The fourth proportional to 3,136.85, 4,705.51 and 1,056.86 is: 1,585.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.85 : 4,705.51 = 1,056.86 : x
  2. Step 2: Convert to fraction form
    3,136.85/4,705.51 = 1,056.86/x
  3. Step 3: Cross multiply
    3,136.85x = 4,705.51 × 1,056.86
  4. Step 4: Simplify right side
    3,136.85x = 4,973,065.30
  5. Step 5: Solve for x
    x = 4,973,065.30/3,136.85
  6. Step 6: Final answer
    x = 1,585.37

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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.