Home / 1,937.80-2,673.96-1,141.12

Finding the Fourth Proportional to 1,937.80, 2,673.96 and 1,141.12

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Solution

The fourth proportional to 1,937.80, 2,673.96 and 1,141.12 is: 1,574.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.80 : 2,673.96 = 1,141.12 : x
  2. Step 2: Convert to fraction form
    1,937.80/2,673.96 = 1,141.12/x
  3. Step 3: Cross multiply
    1,937.80x = 2,673.96 × 1,141.12
  4. Step 4: Simplify right side
    1,937.80x = 3,051,309.24
  5. Step 5: Solve for x
    x = 3,051,309.24/1,937.80
  6. Step 6: Final answer
    x = 1,574.63

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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.