Home / 2,784.49-4,180.38-2,354.38

Finding the Fourth Proportional to 2,784.49, 4,180.38 and 2,354.38

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Solution

The fourth proportional to 2,784.49, 4,180.38 and 2,354.38 is: 3,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.49 : 4,180.38 = 2,354.38 : x
  2. Step 2: Convert to fraction form
    2,784.49/4,180.38 = 2,354.38/x
  3. Step 3: Cross multiply
    2,784.49x = 4,180.38 × 2,354.38
  4. Step 4: Simplify right side
    2,784.49x = 9,842,203.06
  5. Step 5: Solve for x
    x = 9,842,203.06/2,784.49
  6. Step 6: Final answer
    x = 3,534.65

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1.5x scale

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.