Home / 2,135-2,945.58-1,250.84

Finding the Fourth Proportional to 2,135, 2,945.58 and 1,250.84

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Solution

The fourth proportional to 2,135, 2,945.58 and 1,250.84 is: 1,725.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135 : 2,945.58 = 1,250.84 : x
  2. Step 2: Convert to fraction form
    2,135/2,945.58 = 1,250.84/x
  3. Step 3: Cross multiply
    2,135x = 2,945.58 × 1,250.84
  4. Step 4: Simplify right side
    2,135x = 3,684,449.29
  5. Step 5: Solve for x
    x = 3,684,449.29/2,135
  6. Step 6: Final answer
    x = 1,725.74

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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.