Home / 2,079.56-2,869.68-1,148

Finding the Fourth Proportional to 2,079.56, 2,869.68 and 1,148

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Solution

The fourth proportional to 2,079.56, 2,869.68 and 1,148 is: 1,584.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.56 : 2,869.68 = 1,148 : x
  2. Step 2: Convert to fraction form
    2,079.56/2,869.68 = 1,148/x
  3. Step 3: Cross multiply
    2,079.56x = 2,869.68 × 1,148
  4. Step 4: Simplify right side
    2,079.56x = 3,294,392.64
  5. Step 5: Solve for x
    x = 3,294,392.64/2,079.56
  6. Step 6: Final answer
    x = 1,584.18

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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.