Home / 3,358.93-5,038.31-1,605.17

Finding the Fourth Proportional to 3,358.93, 5,038.31 and 1,605.17

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Solution

The fourth proportional to 3,358.93, 5,038.31 and 1,605.17 is: 2,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.93 : 5,038.31 = 1,605.17 : x
  2. Step 2: Convert to fraction form
    3,358.93/5,038.31 = 1,605.17/x
  3. Step 3: Cross multiply
    3,358.93x = 5,038.31 × 1,605.17
  4. Step 4: Simplify right side
    3,358.93x = 8,087,336.04
  5. Step 5: Solve for x
    x = 8,087,336.04/3,358.93
  6. Step 6: Final answer
    x = 2,407.72

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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.