Home / 2,195.08-3,029.54-1,263.40

Finding the Fourth Proportional to 2,195.08, 3,029.54 and 1,263.40

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Solution

The fourth proportional to 2,195.08, 3,029.54 and 1,263.40 is: 1,743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.08 : 3,029.54 = 1,263.40 : x
  2. Step 2: Convert to fraction form
    2,195.08/3,029.54 = 1,263.40/x
  3. Step 3: Cross multiply
    2,195.08x = 3,029.54 × 1,263.40
  4. Step 4: Simplify right side
    2,195.08x = 3,827,520.84
  5. Step 5: Solve for x
    x = 3,827,520.84/2,195.08
  6. Step 6: Final answer
    x = 1,743.68

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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.