Home / 2,079.60-2,869.96-1,148.08

Finding the Fourth Proportional to 2,079.60, 2,869.96 and 1,148.08

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Solution

The fourth proportional to 2,079.60, 2,869.96 and 1,148.08 is: 1,584.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.60 : 2,869.96 = 1,148.08 : x
  2. Step 2: Convert to fraction form
    2,079.60/2,869.96 = 1,148.08/x
  3. Step 3: Cross multiply
    2,079.60x = 2,869.96 × 1,148.08
  4. Step 4: Simplify right side
    2,079.60x = 3,294,943.68
  5. Step 5: Solve for x
    x = 3,294,943.68/2,079.60
  6. Step 6: Final answer
    x = 1,584.41

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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.