Home / 2,970.06-4,451.49-1,119.30

Finding the Fourth Proportional to 2,970.06, 4,451.49 and 1,119.30

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Solution

The fourth proportional to 2,970.06, 4,451.49 and 1,119.30 is: 1,677.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.06 : 4,451.49 = 1,119.30 : x
  2. Step 2: Convert to fraction form
    2,970.06/4,451.49 = 1,119.30/x
  3. Step 3: Cross multiply
    2,970.06x = 4,451.49 × 1,119.30
  4. Step 4: Simplify right side
    2,970.06x = 4,982,552.76
  5. Step 5: Solve for x
    x = 4,982,552.76/2,970.06
  6. Step 6: Final answer
    x = 1,677.59

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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.