Home / 3,015.45-4,521.55-934.56

Finding the Fourth Proportional to 3,015.45, 4,521.55 and 934.56

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Solution

The fourth proportional to 3,015.45, 4,521.55 and 934.56 is: 1,401.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.45 : 4,521.55 = 934.56 : x
  2. Step 2: Convert to fraction form
    3,015.45/4,521.55 = 934.56/x
  3. Step 3: Cross multiply
    3,015.45x = 4,521.55 × 934.56
  4. Step 4: Simplify right side
    3,015.45x = 4,225,659.77
  5. Step 5: Solve for x
    x = 4,225,659.77/3,015.45
  6. Step 6: Final answer
    x = 1,401.34

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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.