Home / 4,157.84-6,231.33-1,689.77

Finding the Fourth Proportional to 4,157.84, 6,231.33 and 1,689.77

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Solution

The fourth proportional to 4,157.84, 6,231.33 and 1,689.77 is: 2,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.84 : 6,231.33 = 1,689.77 : x
  2. Step 2: Convert to fraction form
    4,157.84/6,231.33 = 1,689.77/x
  3. Step 3: Cross multiply
    4,157.84x = 6,231.33 × 1,689.77
  4. Step 4: Simplify right side
    4,157.84x = 10,529,483.34
  5. Step 5: Solve for x
    x = 10,529,483.34/4,157.84
  6. Step 6: Final answer
    x = 2,532.44

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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.