Home / 3,078.30-4,607.40-2,343.82

Finding the Fourth Proportional to 3,078.30, 4,607.40 and 2,343.82

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Solution

The fourth proportional to 3,078.30, 4,607.40 and 2,343.82 is: 3,508.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.30 : 4,607.40 = 2,343.82 : x
  2. Step 2: Convert to fraction form
    3,078.30/4,607.40 = 2,343.82/x
  3. Step 3: Cross multiply
    3,078.30x = 4,607.40 × 2,343.82
  4. Step 4: Simplify right side
    3,078.30x = 10,798,916.27
  5. Step 5: Solve for x
    x = 10,798,916.27/3,078.30
  6. Step 6: Final answer
    x = 3,508.08

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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.