Home / 2,394.09-3,588.71-1,815.75

Finding the Fourth Proportional to 2,394.09, 3,588.71 and 1,815.75

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Solution

The fourth proportional to 2,394.09, 3,588.71 and 1,815.75 is: 2,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.09 : 3,588.71 = 1,815.75 : x
  2. Step 2: Convert to fraction form
    2,394.09/3,588.71 = 1,815.75/x
  3. Step 3: Cross multiply
    2,394.09x = 3,588.71 × 1,815.75
  4. Step 4: Simplify right side
    2,394.09x = 6,516,191.10
  5. Step 5: Solve for x
    x = 6,516,191.10/2,394.09
  6. Step 6: Final answer
    x = 2,721.78

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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.