Home / 1,752.03-2,622.32-1,289.62

Finding the Fourth Proportional to 1,752.03, 2,622.32 and 1,289.62

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Solution

The fourth proportional to 1,752.03, 2,622.32 and 1,289.62 is: 1,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.03 : 2,622.32 = 1,289.62 : x
  2. Step 2: Convert to fraction form
    1,752.03/2,622.32 = 1,289.62/x
  3. Step 3: Cross multiply
    1,752.03x = 2,622.32 × 1,289.62
  4. Step 4: Simplify right side
    1,752.03x = 3,381,776.76
  5. Step 5: Solve for x
    x = 3,381,776.76/1,752.03
  6. Step 6: Final answer
    x = 1,930.21

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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.