Home / 1,816.98-2,508.50-1,396.51

Finding the Fourth Proportional to 1,816.98, 2,508.50 and 1,396.51

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Solution

The fourth proportional to 1,816.98, 2,508.50 and 1,396.51 is: 1,928.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.98 : 2,508.50 = 1,396.51 : x
  2. Step 2: Convert to fraction form
    1,816.98/2,508.50 = 1,396.51/x
  3. Step 3: Cross multiply
    1,816.98x = 2,508.50 × 1,396.51
  4. Step 4: Simplify right side
    1,816.98x = 3,503,132.08
  5. Step 5: Solve for x
    x = 3,503,132.08/1,816.98
  6. Step 6: Final answer
    x = 1,928.00

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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.