Home / 3,506.49-5,261.63-1,315.04

Finding the Fourth Proportional to 3,506.49, 5,261.63 and 1,315.04

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Solution

The fourth proportional to 3,506.49, 5,261.63 and 1,315.04 is: 1,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.49 : 5,261.63 = 1,315.04 : x
  2. Step 2: Convert to fraction form
    3,506.49/5,261.63 = 1,315.04/x
  3. Step 3: Cross multiply
    3,506.49x = 5,261.63 × 1,315.04
  4. Step 4: Simplify right side
    3,506.49x = 6,919,221.03
  5. Step 5: Solve for x
    x = 6,919,221.03/3,506.49
  6. Step 6: Final answer
    x = 1,973.26

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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.