Home / 2,041.40-3,060.30-742.62

Finding the Fourth Proportional to 2,041.40, 3,060.30 and 742.62

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Solution

The fourth proportional to 2,041.40, 3,060.30 and 742.62 is: 1,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.40 : 3,060.30 = 742.62 : x
  2. Step 2: Convert to fraction form
    2,041.40/3,060.30 = 742.62/x
  3. Step 3: Cross multiply
    2,041.40x = 3,060.30 × 742.62
  4. Step 4: Simplify right side
    2,041.40x = 2,272,639.99
  5. Step 5: Solve for x
    x = 2,272,639.99/2,041.40
  6. Step 6: Final answer
    x = 1,113.28

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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.