Home / 1,873.77-2,810.39-1,178.31

Finding the Fourth Proportional to 1,873.77, 2,810.39 and 1,178.31

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Solution

The fourth proportional to 1,873.77, 2,810.39 and 1,178.31 is: 1,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.77 : 2,810.39 = 1,178.31 : x
  2. Step 2: Convert to fraction form
    1,873.77/2,810.39 = 1,178.31/x
  3. Step 3: Cross multiply
    1,873.77x = 2,810.39 × 1,178.31
  4. Step 4: Simplify right side
    1,873.77x = 3,311,515.29
  5. Step 5: Solve for x
    x = 3,311,515.29/1,873.77
  6. Step 6: Final answer
    x = 1,767.30

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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.