Home / 3,486.41-5,225.95-1,145.81

Finding the Fourth Proportional to 3,486.41, 5,225.95 and 1,145.81

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Solution

The fourth proportional to 3,486.41, 5,225.95 and 1,145.81 is: 1,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.41 : 5,225.95 = 1,145.81 : x
  2. Step 2: Convert to fraction form
    3,486.41/5,225.95 = 1,145.81/x
  3. Step 3: Cross multiply
    3,486.41x = 5,225.95 × 1,145.81
  4. Step 4: Simplify right side
    3,486.41x = 5,987,945.77
  5. Step 5: Solve for x
    x = 5,987,945.77/3,486.41
  6. Step 6: Final answer
    x = 1,717.51

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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.