Home / 3,085.32-4,629.48-1,353.72

Finding the Fourth Proportional to 3,085.32, 4,629.48 and 1,353.72

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Solution

The fourth proportional to 3,085.32, 4,629.48 and 1,353.72 is: 2,031.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.32 : 4,629.48 = 1,353.72 : x
  2. Step 2: Convert to fraction form
    3,085.32/4,629.48 = 1,353.72/x
  3. Step 3: Cross multiply
    3,085.32x = 4,629.48 × 1,353.72
  4. Step 4: Simplify right side
    3,085.32x = 6,267,019.67
  5. Step 5: Solve for x
    x = 6,267,019.67/3,085.32
  6. Step 6: Final answer
    x = 2,031.24

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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.