Home / 3,176.64-4,766.40-1,615.68

Finding the Fourth Proportional to 3,176.64, 4,766.40 and 1,615.68

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Solution

The fourth proportional to 3,176.64, 4,766.40 and 1,615.68 is: 2,424.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.64 : 4,766.40 = 1,615.68 : x
  2. Step 2: Convert to fraction form
    3,176.64/4,766.40 = 1,615.68/x
  3. Step 3: Cross multiply
    3,176.64x = 4,766.40 × 1,615.68
  4. Step 4: Simplify right side
    3,176.64x = 7,700,977.15
  5. Step 5: Solve for x
    x = 7,700,977.15/3,176.64
  6. Step 6: Final answer
    x = 2,424.25

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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.