Home / 1,876.33-2,810.67-1,135.48

Finding the Fourth Proportional to 1,876.33, 2,810.67 and 1,135.48

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Solution

The fourth proportional to 1,876.33, 2,810.67 and 1,135.48 is: 1,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.33 : 2,810.67 = 1,135.48 : x
  2. Step 2: Convert to fraction form
    1,876.33/2,810.67 = 1,135.48/x
  3. Step 3: Cross multiply
    1,876.33x = 2,810.67 × 1,135.48
  4. Step 4: Simplify right side
    1,876.33x = 3,191,459.57
  5. Step 5: Solve for x
    x = 3,191,459.57/1,876.33
  6. Step 6: Final answer
    x = 1,700.91

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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.