Home / 2,038-2,812.62-1,153.84

Finding the Fourth Proportional to 2,038, 2,812.62 and 1,153.84

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Solution

The fourth proportional to 2,038, 2,812.62 and 1,153.84 is: 1,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038 : 2,812.62 = 1,153.84 : x
  2. Step 2: Convert to fraction form
    2,038/2,812.62 = 1,153.84/x
  3. Step 3: Cross multiply
    2,038x = 2,812.62 × 1,153.84
  4. Step 4: Simplify right side
    2,038x = 3,245,313.46
  5. Step 5: Solve for x
    x = 3,245,313.46/2,038
  6. Step 6: Final answer
    x = 1,592.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.