Home / 2,461.53-3,688.19-1,729.80

Finding the Fourth Proportional to 2,461.53, 3,688.19 and 1,729.80

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Solution

The fourth proportional to 2,461.53, 3,688.19 and 1,729.80 is: 2,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.53 : 3,688.19 = 1,729.80 : x
  2. Step 2: Convert to fraction form
    2,461.53/3,688.19 = 1,729.80/x
  3. Step 3: Cross multiply
    2,461.53x = 3,688.19 × 1,729.80
  4. Step 4: Simplify right side
    2,461.53x = 6,379,831.06
  5. Step 5: Solve for x
    x = 6,379,831.06/2,461.53
  6. Step 6: Final answer
    x = 2,591.82

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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.