Home / 3,015.36-4,521.76-1,066.68

Finding the Fourth Proportional to 3,015.36, 4,521.76 and 1,066.68

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Solution

The fourth proportional to 3,015.36, 4,521.76 and 1,066.68 is: 1,599.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.36 : 4,521.76 = 1,066.68 : x
  2. Step 2: Convert to fraction form
    3,015.36/4,521.76 = 1,066.68/x
  3. Step 3: Cross multiply
    3,015.36x = 4,521.76 × 1,066.68
  4. Step 4: Simplify right side
    3,015.36x = 4,823,270.96
  5. Step 5: Solve for x
    x = 4,823,270.96/3,015.36
  6. Step 6: Final answer
    x = 1,599.57

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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.