Home / 1,845.52-2,762.98-1,715.78

Finding the Fourth Proportional to 1,845.52, 2,762.98 and 1,715.78

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Solution

The fourth proportional to 1,845.52, 2,762.98 and 1,715.78 is: 2,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.52 : 2,762.98 = 1,715.78 : x
  2. Step 2: Convert to fraction form
    1,845.52/2,762.98 = 1,715.78/x
  3. Step 3: Cross multiply
    1,845.52x = 2,762.98 × 1,715.78
  4. Step 4: Simplify right side
    1,845.52x = 4,740,643.43
  5. Step 5: Solve for x
    x = 4,740,643.43/1,845.52
  6. Step 6: Final answer
    x = 2,568.73

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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.