Home / 3,016.40-4,528.45-2,985.35

Finding the Fourth Proportional to 3,016.40, 4,528.45 and 2,985.35

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Solution

The fourth proportional to 3,016.40, 4,528.45 and 2,985.35 is: 4,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.40 : 4,528.45 = 2,985.35 : x
  2. Step 2: Convert to fraction form
    3,016.40/4,528.45 = 2,985.35/x
  3. Step 3: Cross multiply
    3,016.40x = 4,528.45 × 2,985.35
  4. Step 4: Simplify right side
    3,016.40x = 13,519,008.21
  5. Step 5: Solve for x
    x = 13,519,008.21/3,016.40
  6. Step 6: Final answer
    x = 4,481.84

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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.