Home / 2,883.79-4,326.50-1,129.06

Finding the Fourth Proportional to 2,883.79, 4,326.50 and 1,129.06

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Solution

The fourth proportional to 2,883.79, 4,326.50 and 1,129.06 is: 1,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883.79 : 4,326.50 = 1,129.06 : x
  2. Step 2: Convert to fraction form
    2,883.79/4,326.50 = 1,129.06/x
  3. Step 3: Cross multiply
    2,883.79x = 4,326.50 × 1,129.06
  4. Step 4: Simplify right side
    2,883.79x = 4,884,878.09
  5. Step 5: Solve for x
    x = 4,884,878.09/2,883.79
  6. Step 6: Final answer
    x = 1,693.91

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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.