Home / 1,904.85-2,628.72-1,346.29

Finding the Fourth Proportional to 1,904.85, 2,628.72 and 1,346.29

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Solution

The fourth proportional to 1,904.85, 2,628.72 and 1,346.29 is: 1,857.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.85 : 2,628.72 = 1,346.29 : x
  2. Step 2: Convert to fraction form
    1,904.85/2,628.72 = 1,346.29/x
  3. Step 3: Cross multiply
    1,904.85x = 2,628.72 × 1,346.29
  4. Step 4: Simplify right side
    1,904.85x = 3,539,012.88
  5. Step 5: Solve for x
    x = 3,539,012.88/1,904.85
  6. Step 6: Final answer
    x = 1,857.90

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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.