Home / 3,145.68-4,341.28-1,748.52

Finding the Fourth Proportional to 3,145.68, 4,341.28 and 1,748.52

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Solution

The fourth proportional to 3,145.68, 4,341.28 and 1,748.52 is: 2,413.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.68 : 4,341.28 = 1,748.52 : x
  2. Step 2: Convert to fraction form
    3,145.68/4,341.28 = 1,748.52/x
  3. Step 3: Cross multiply
    3,145.68x = 4,341.28 × 1,748.52
  4. Step 4: Simplify right side
    3,145.68x = 7,590,814.91
  5. Step 5: Solve for x
    x = 7,590,814.91/3,145.68
  6. Step 6: Final answer
    x = 2,413.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.