Home / 2,953.70-4,076.29-1,627.40

Finding the Fourth Proportional to 2,953.70, 4,076.29 and 1,627.40

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Solution

The fourth proportional to 2,953.70, 4,076.29 and 1,627.40 is: 2,245.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.70 : 4,076.29 = 1,627.40 : x
  2. Step 2: Convert to fraction form
    2,953.70/4,076.29 = 1,627.40/x
  3. Step 3: Cross multiply
    2,953.70x = 4,076.29 × 1,627.40
  4. Step 4: Simplify right side
    2,953.70x = 6,633,757.42
  5. Step 5: Solve for x
    x = 6,633,757.42/2,953.70
  6. Step 6: Final answer
    x = 2,245.92

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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.