Home / 1,673.03-2,308.63-926.95

Finding the Fourth Proportional to 1,673.03, 2,308.63 and 926.95

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Solution

The fourth proportional to 1,673.03, 2,308.63 and 926.95 is: 1,279.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.03 : 2,308.63 = 926.95 : x
  2. Step 2: Convert to fraction form
    1,673.03/2,308.63 = 926.95/x
  3. Step 3: Cross multiply
    1,673.03x = 2,308.63 × 926.95
  4. Step 4: Simplify right side
    1,673.03x = 2,139,984.58
  5. Step 5: Solve for x
    x = 2,139,984.58/1,673.03
  6. Step 6: Final answer
    x = 1,279.11

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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.