Home / 3,391.13-5,085.32-1,050.58

Finding the Fourth Proportional to 3,391.13, 5,085.32 and 1,050.58

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Solution

The fourth proportional to 3,391.13, 5,085.32 and 1,050.58 is: 1,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.13 : 5,085.32 = 1,050.58 : x
  2. Step 2: Convert to fraction form
    3,391.13/5,085.32 = 1,050.58/x
  3. Step 3: Cross multiply
    3,391.13x = 5,085.32 × 1,050.58
  4. Step 4: Simplify right side
    3,391.13x = 5,342,538.11
  5. Step 5: Solve for x
    x = 5,342,538.11/3,391.13
  6. Step 6: Final answer
    x = 1,575.45

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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.