Home / 2,750.85-3,795.82-1,572

Finding the Fourth Proportional to 2,750.85, 3,795.82 and 1,572

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Solution

The fourth proportional to 2,750.85, 3,795.82 and 1,572 is: 2,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.85 : 3,795.82 = 1,572 : x
  2. Step 2: Convert to fraction form
    2,750.85/3,795.82 = 1,572/x
  3. Step 3: Cross multiply
    2,750.85x = 3,795.82 × 1,572
  4. Step 4: Simplify right side
    2,750.85x = 5,967,029.04
  5. Step 5: Solve for x
    x = 5,967,029.04/2,750.85
  6. Step 6: Final answer
    x = 2,169.16

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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.