Home / 2,729.18-3,762.46-2,307.84

Finding the Fourth Proportional to 2,729.18, 3,762.46 and 2,307.84

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Solution

The fourth proportional to 2,729.18, 3,762.46 and 2,307.84 is: 3,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.18 : 3,762.46 = 2,307.84 : x
  2. Step 2: Convert to fraction form
    2,729.18/3,762.46 = 2,307.84/x
  3. Step 3: Cross multiply
    2,729.18x = 3,762.46 × 2,307.84
  4. Step 4: Simplify right side
    2,729.18x = 8,683,154.27
  5. Step 5: Solve for x
    x = 8,683,154.27/2,729.18
  6. Step 6: Final answer
    x = 3,181.60

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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.