Home / 3,504.09-5,254.65-1,311.29

Finding the Fourth Proportional to 3,504.09, 5,254.65 and 1,311.29

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Solution

The fourth proportional to 3,504.09, 5,254.65 and 1,311.29 is: 1,966.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.09 : 5,254.65 = 1,311.29 : x
  2. Step 2: Convert to fraction form
    3,504.09/5,254.65 = 1,311.29/x
  3. Step 3: Cross multiply
    3,504.09x = 5,254.65 × 1,311.29
  4. Step 4: Simplify right side
    3,504.09x = 6,890,370.00
  5. Step 5: Solve for x
    x = 6,890,370.00/3,504.09
  6. Step 6: Final answer
    x = 1,966.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.