Home / 2,134.56-2,945.60-1,250.40

Finding the Fourth Proportional to 2,134.56, 2,945.60 and 1,250.40

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Solution

The fourth proportional to 2,134.56, 2,945.60 and 1,250.40 is: 1,725.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.56 : 2,945.60 = 1,250.40 : x
  2. Step 2: Convert to fraction form
    2,134.56/2,945.60 = 1,250.40/x
  3. Step 3: Cross multiply
    2,134.56x = 2,945.60 × 1,250.40
  4. Step 4: Simplify right side
    2,134.56x = 3,683,178.24
  5. Step 5: Solve for x
    x = 3,683,178.24/2,134.56
  6. Step 6: Final answer
    x = 1,725.50

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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.