Home / 2,792.58-4,191.95-1,623.90

Finding the Fourth Proportional to 2,792.58, 4,191.95 and 1,623.90

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Solution

The fourth proportional to 2,792.58, 4,191.95 and 1,623.90 is: 2,437.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.58 : 4,191.95 = 1,623.90 : x
  2. Step 2: Convert to fraction form
    2,792.58/4,191.95 = 1,623.90/x
  3. Step 3: Cross multiply
    2,792.58x = 4,191.95 × 1,623.90
  4. Step 4: Simplify right side
    2,792.58x = 6,807,299.49
  5. Step 5: Solve for x
    x = 6,807,299.49/2,792.58
  6. Step 6: Final answer
    x = 2,437.64

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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.