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Finding the Fourth Proportional to 1,674.88, 2,510.00 and 1,208.95

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Solution

The fourth proportional to 1,674.88, 2,510.00 and 1,208.95 is: 1,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.88 : 2,510.00 = 1,208.95 : x
  2. Step 2: Convert to fraction form
    1,674.88/2,510.00 = 1,208.95/x
  3. Step 3: Cross multiply
    1,674.88x = 2,510.00 × 1,208.95
  4. Step 4: Simplify right side
    1,674.88x = 3,034,452.18
  5. Step 5: Solve for x
    x = 3,034,452.18/1,674.88
  6. Step 6: Final answer
    x = 1,811.75

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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.