Home / 3,065.90-4,231.92-1,740.50

Finding the Fourth Proportional to 3,065.90, 4,231.92 and 1,740.50

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Solution

The fourth proportional to 3,065.90, 4,231.92 and 1,740.50 is: 2,402.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.90 : 4,231.92 = 1,740.50 : x
  2. Step 2: Convert to fraction form
    3,065.90/4,231.92 = 1,740.50/x
  3. Step 3: Cross multiply
    3,065.90x = 4,231.92 × 1,740.50
  4. Step 4: Simplify right side
    3,065.90x = 7,365,656.76
  5. Step 5: Solve for x
    x = 7,365,656.76/3,065.90
  6. Step 6: Final answer
    x = 2,402.45

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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.