Home / 3,103.13-4,655.37-1,718.48

Finding the Fourth Proportional to 3,103.13, 4,655.37 and 1,718.48

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Solution

The fourth proportional to 3,103.13, 4,655.37 and 1,718.48 is: 2,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.13 : 4,655.37 = 1,718.48 : x
  2. Step 2: Convert to fraction form
    3,103.13/4,655.37 = 1,718.48/x
  3. Step 3: Cross multiply
    3,103.13x = 4,655.37 × 1,718.48
  4. Step 4: Simplify right side
    3,103.13x = 8,000,178.32
  5. Step 5: Solve for x
    x = 8,000,178.32/3,103.13
  6. Step 6: Final answer
    x = 2,578.10

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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.