Home / 1,973.76-2,961.84-1,153.62

Finding the Fourth Proportional to 1,973.76, 2,961.84 and 1,153.62

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Solution

The fourth proportional to 1,973.76, 2,961.84 and 1,153.62 is: 1,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.76 : 2,961.84 = 1,153.62 : x
  2. Step 2: Convert to fraction form
    1,973.76/2,961.84 = 1,153.62/x
  3. Step 3: Cross multiply
    1,973.76x = 2,961.84 × 1,153.62
  4. Step 4: Simplify right side
    1,973.76x = 3,416,837.86
  5. Step 5: Solve for x
    x = 3,416,837.86/1,973.76
  6. Step 6: Final answer
    x = 1,731.13

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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.