Home / 3,612.14-5,417.79-1,015.30

Finding the Fourth Proportional to 3,612.14, 5,417.79 and 1,015.30

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Solution

The fourth proportional to 3,612.14, 5,417.79 and 1,015.30 is: 1,522.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.14 : 5,417.79 = 1,015.30 : x
  2. Step 2: Convert to fraction form
    3,612.14/5,417.79 = 1,015.30/x
  3. Step 3: Cross multiply
    3,612.14x = 5,417.79 × 1,015.30
  4. Step 4: Simplify right side
    3,612.14x = 5,500,682.19
  5. Step 5: Solve for x
    x = 5,500,682.19/3,612.14
  6. Step 6: Final answer
    x = 1,522.83

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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.