Home / 2,438.10-3,364.97-1,812.78

Finding the Fourth Proportional to 2,438.10, 3,364.97 and 1,812.78

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Solution

The fourth proportional to 2,438.10, 3,364.97 and 1,812.78 is: 2,501.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.10 : 3,364.97 = 1,812.78 : x
  2. Step 2: Convert to fraction form
    2,438.10/3,364.97 = 1,812.78/x
  3. Step 3: Cross multiply
    2,438.10x = 3,364.97 × 1,812.78
  4. Step 4: Simplify right side
    2,438.10x = 6,099,941.25
  5. Step 5: Solve for x
    x = 6,099,941.25/2,438.10
  6. Step 6: Final answer
    x = 2,501.92

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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.