Home / 3,118.29-4,675.41-1,536.84

Finding the Fourth Proportional to 3,118.29, 4,675.41 and 1,536.84

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Solution

The fourth proportional to 3,118.29, 4,675.41 and 1,536.84 is: 2,304.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.29 : 4,675.41 = 1,536.84 : x
  2. Step 2: Convert to fraction form
    3,118.29/4,675.41 = 1,536.84/x
  3. Step 3: Cross multiply
    3,118.29x = 4,675.41 × 1,536.84
  4. Step 4: Simplify right side
    3,118.29x = 7,185,357.10
  5. Step 5: Solve for x
    x = 7,185,357.10/3,118.29
  6. Step 6: Final answer
    x = 2,304.26

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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.