Home / 2,653.72-3,981.09-1,010.14

Finding the Fourth Proportional to 2,653.72, 3,981.09 and 1,010.14

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Solution

The fourth proportional to 2,653.72, 3,981.09 and 1,010.14 is: 1,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.72 : 3,981.09 = 1,010.14 : x
  2. Step 2: Convert to fraction form
    2,653.72/3,981.09 = 1,010.14/x
  3. Step 3: Cross multiply
    2,653.72x = 3,981.09 × 1,010.14
  4. Step 4: Simplify right side
    2,653.72x = 4,021,448.30
  5. Step 5: Solve for x
    x = 4,021,448.30/2,653.72
  6. Step 6: Final answer
    x = 1,515.40

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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.