Home / 1,928.08-2,876.97-1,810.53

Finding the Fourth Proportional to 1,928.08, 2,876.97 and 1,810.53

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Solution

The fourth proportional to 1,928.08, 2,876.97 and 1,810.53 is: 2,701.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.08 : 2,876.97 = 1,810.53 : x
  2. Step 2: Convert to fraction form
    1,928.08/2,876.97 = 1,810.53/x
  3. Step 3: Cross multiply
    1,928.08x = 2,876.97 × 1,810.53
  4. Step 4: Simplify right side
    1,928.08x = 5,208,817.06
  5. Step 5: Solve for x
    x = 5,208,817.06/1,928.08
  6. Step 6: Final answer
    x = 2,701.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.