Home / 3,402.41-4,695.26-1,987.00

Finding the Fourth Proportional to 3,402.41, 4,695.26 and 1,987.00

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Solution

The fourth proportional to 3,402.41, 4,695.26 and 1,987.00 is: 2,742.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.41 : 4,695.26 = 1,987.00 : x
  2. Step 2: Convert to fraction form
    3,402.41/4,695.26 = 1,987.00/x
  3. Step 3: Cross multiply
    3,402.41x = 4,695.26 × 1,987.00
  4. Step 4: Simplify right side
    3,402.41x = 9,329,459.95
  5. Step 5: Solve for x
    x = 9,329,459.95/3,402.41
  6. Step 6: Final answer
    x = 2,742.02

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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.