Home / 3,065.20-4,595.28-1,215.52

Finding the Fourth Proportional to 3,065.20, 4,595.28 and 1,215.52

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Solution

The fourth proportional to 3,065.20, 4,595.28 and 1,215.52 is: 1,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.20 : 4,595.28 = 1,215.52 : x
  2. Step 2: Convert to fraction form
    3,065.20/4,595.28 = 1,215.52/x
  3. Step 3: Cross multiply
    3,065.20x = 4,595.28 × 1,215.52
  4. Step 4: Simplify right side
    3,065.20x = 5,585,654.75
  5. Step 5: Solve for x
    x = 5,585,654.75/3,065.20
  6. Step 6: Final answer
    x = 1,822.28

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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.