Home / 1,347.03-1,857.12-926.60

Finding the Fourth Proportional to 1,347.03, 1,857.12 and 926.60

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Solution

The fourth proportional to 1,347.03, 1,857.12 and 926.60 is: 1,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.03 : 1,857.12 = 926.60 : x
  2. Step 2: Convert to fraction form
    1,347.03/1,857.12 = 926.60/x
  3. Step 3: Cross multiply
    1,347.03x = 1,857.12 × 926.60
  4. Step 4: Simplify right side
    1,347.03x = 1,720,798.11
  5. Step 5: Solve for x
    x = 1,720,798.11/1,347.03
  6. Step 6: Final answer
    x = 1,277.48

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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.