Home / 1,824.42-2,516.80-1,078.02

Finding the Fourth Proportional to 1,824.42, 2,516.80 and 1,078.02

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Solution

The fourth proportional to 1,824.42, 2,516.80 and 1,078.02 is: 1,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.42 : 2,516.80 = 1,078.02 : x
  2. Step 2: Convert to fraction form
    1,824.42/2,516.80 = 1,078.02/x
  3. Step 3: Cross multiply
    1,824.42x = 2,516.80 × 1,078.02
  4. Step 4: Simplify right side
    1,824.42x = 2,713,151.75
  5. Step 5: Solve for x
    x = 2,713,151.75/1,824.42
  6. Step 6: Final answer
    x = 1,487.13

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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.