Home / 3,124.62-4,688.49-1,895.10

Finding the Fourth Proportional to 3,124.62, 4,688.49 and 1,895.10

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Solution

The fourth proportional to 3,124.62, 4,688.49 and 1,895.10 is: 2,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.62 : 4,688.49 = 1,895.10 : x
  2. Step 2: Convert to fraction form
    3,124.62/4,688.49 = 1,895.10/x
  3. Step 3: Cross multiply
    3,124.62x = 4,688.49 × 1,895.10
  4. Step 4: Simplify right side
    3,124.62x = 8,885,157.40
  5. Step 5: Solve for x
    x = 8,885,157.40/3,124.62
  6. Step 6: Final answer
    x = 2,843.60

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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.