Home / 2,120.53-2,926.47-1,176.62

Finding the Fourth Proportional to 2,120.53, 2,926.47 and 1,176.62

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Solution

The fourth proportional to 2,120.53, 2,926.47 and 1,176.62 is: 1,623.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120.53 : 2,926.47 = 1,176.62 : x
  2. Step 2: Convert to fraction form
    2,120.53/2,926.47 = 1,176.62/x
  3. Step 3: Cross multiply
    2,120.53x = 2,926.47 × 1,176.62
  4. Step 4: Simplify right side
    2,120.53x = 3,443,322.62
  5. Step 5: Solve for x
    x = 3,443,322.62/2,120.53
  6. Step 6: Final answer
    x = 1,623.81

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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.