Home / 3,177.16-4,767.10-1,639.24

Finding the Fourth Proportional to 3,177.16, 4,767.10 and 1,639.24

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Solution

The fourth proportional to 3,177.16, 4,767.10 and 1,639.24 is: 2,459.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.16 : 4,767.10 = 1,639.24 : x
  2. Step 2: Convert to fraction form
    3,177.16/4,767.10 = 1,639.24/x
  3. Step 3: Cross multiply
    3,177.16x = 4,767.10 × 1,639.24
  4. Step 4: Simplify right side
    3,177.16x = 7,814,421.00
  5. Step 5: Solve for x
    x = 7,814,421.00/3,177.16
  6. Step 6: Final answer
    x = 2,459.56

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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.