Home / 3,176.29-4,768.81-1,617.35

Finding the Fourth Proportional to 3,176.29, 4,768.81 and 1,617.35

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Solution

The fourth proportional to 3,176.29, 4,768.81 and 1,617.35 is: 2,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.29 : 4,768.81 = 1,617.35 : x
  2. Step 2: Convert to fraction form
    3,176.29/4,768.81 = 1,617.35/x
  3. Step 3: Cross multiply
    3,176.29x = 4,768.81 × 1,617.35
  4. Step 4: Simplify right side
    3,176.29x = 7,712,803.93
  5. Step 5: Solve for x
    x = 7,712,803.93/3,176.29
  6. Step 6: Final answer
    x = 2,428.24

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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.