Home / 2,302.93-3,178.03-1,255

Finding the Fourth Proportional to 2,302.93, 3,178.03 and 1,255

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Solution

The fourth proportional to 2,302.93, 3,178.03 and 1,255 is: 1,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.93 : 3,178.03 = 1,255 : x
  2. Step 2: Convert to fraction form
    2,302.93/3,178.03 = 1,255/x
  3. Step 3: Cross multiply
    2,302.93x = 3,178.03 × 1,255
  4. Step 4: Simplify right side
    2,302.93x = 3,988,427.65
  5. Step 5: Solve for x
    x = 3,988,427.65/2,302.93
  6. Step 6: Final answer
    x = 1,731.89

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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.