Home / 3,176.55-4,762.89-1,878.93

Finding the Fourth Proportional to 3,176.55, 4,762.89 and 1,878.93

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Solution

The fourth proportional to 3,176.55, 4,762.89 and 1,878.93 is: 2,817.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.55 : 4,762.89 = 1,878.93 : x
  2. Step 2: Convert to fraction form
    3,176.55/4,762.89 = 1,878.93/x
  3. Step 3: Cross multiply
    3,176.55x = 4,762.89 × 1,878.93
  4. Step 4: Simplify right side
    3,176.55x = 8,949,136.91
  5. Step 5: Solve for x
    x = 8,949,136.91/3,176.55
  6. Step 6: Final answer
    x = 2,817.25

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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.