Home / 3,354.96-5,030.12-1,275.10

Finding the Fourth Proportional to 3,354.96, 5,030.12 and 1,275.10

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Solution

The fourth proportional to 3,354.96, 5,030.12 and 1,275.10 is: 1,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.96 : 5,030.12 = 1,275.10 : x
  2. Step 2: Convert to fraction form
    3,354.96/5,030.12 = 1,275.10/x
  3. Step 3: Cross multiply
    3,354.96x = 5,030.12 × 1,275.10
  4. Step 4: Simplify right side
    3,354.96x = 6,413,906.01
  5. Step 5: Solve for x
    x = 6,413,906.01/3,354.96
  6. Step 6: Final answer
    x = 1,911.77

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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.