Home / 1,839.56-2,756.88-1,368.95

Finding the Fourth Proportional to 1,839.56, 2,756.88 and 1,368.95

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Solution

The fourth proportional to 1,839.56, 2,756.88 and 1,368.95 is: 2,051.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.56 : 2,756.88 = 1,368.95 : x
  2. Step 2: Convert to fraction form
    1,839.56/2,756.88 = 1,368.95/x
  3. Step 3: Cross multiply
    1,839.56x = 2,756.88 × 1,368.95
  4. Step 4: Simplify right side
    1,839.56x = 3,774,017.09
  5. Step 5: Solve for x
    x = 3,774,017.09/1,839.56
  6. Step 6: Final answer
    x = 2,051.59

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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.