Home / 1,673.04-2,309.58-1,114.43

Finding the Fourth Proportional to 1,673.04, 2,309.58 and 1,114.43

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Solution

The fourth proportional to 1,673.04, 2,309.58 and 1,114.43 is: 1,538.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.04 : 2,309.58 = 1,114.43 : x
  2. Step 2: Convert to fraction form
    1,673.04/2,309.58 = 1,114.43/x
  3. Step 3: Cross multiply
    1,673.04x = 2,309.58 × 1,114.43
  4. Step 4: Simplify right side
    1,673.04x = 2,573,865.24
  5. Step 5: Solve for x
    x = 2,573,865.24/1,673.04
  6. Step 6: Final answer
    x = 1,538.44

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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.