Home / 3,411-5,117.34-1,102.50

Finding the Fourth Proportional to 3,411, 5,117.34 and 1,102.50

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Solution

The fourth proportional to 3,411, 5,117.34 and 1,102.50 is: 1,654.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411 : 5,117.34 = 1,102.50 : x
  2. Step 2: Convert to fraction form
    3,411/5,117.34 = 1,102.50/x
  3. Step 3: Cross multiply
    3,411x = 5,117.34 × 1,102.50
  4. Step 4: Simplify right side
    3,411x = 5,641,867.35
  5. Step 5: Solve for x
    x = 5,641,867.35/3,411
  6. Step 6: Final answer
    x = 1,654.02

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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.