Home / 2,438.28-3,362.58-2,107.08

Finding the Fourth Proportional to 2,438.28, 3,362.58 and 2,107.08

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Solution

The fourth proportional to 2,438.28, 3,362.58 and 2,107.08 is: 2,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.28 : 3,362.58 = 2,107.08 : x
  2. Step 2: Convert to fraction form
    2,438.28/3,362.58 = 2,107.08/x
  3. Step 3: Cross multiply
    2,438.28x = 3,362.58 × 2,107.08
  4. Step 4: Simplify right side
    2,438.28x = 7,085,225.07
  5. Step 5: Solve for x
    x = 7,085,225.07/2,438.28
  6. Step 6: Final answer
    x = 2,905.83

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1.5x scale

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.