Home / 3,402.14-4,695.19-1,985.45

Finding the Fourth Proportional to 3,402.14, 4,695.19 and 1,985.45

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Solution

The fourth proportional to 3,402.14, 4,695.19 and 1,985.45 is: 2,740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.14 : 4,695.19 = 1,985.45 : x
  2. Step 2: Convert to fraction form
    3,402.14/4,695.19 = 1,985.45/x
  3. Step 3: Cross multiply
    3,402.14x = 4,695.19 × 1,985.45
  4. Step 4: Simplify right side
    3,402.14x = 9,322,071.76
  5. Step 5: Solve for x
    x = 9,322,071.76/3,402.14
  6. Step 6: Final answer
    x = 2,740.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.