Home / 2,137.43-3,204.95-1,151.40

Finding the Fourth Proportional to 2,137.43, 3,204.95 and 1,151.40

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Solution

The fourth proportional to 2,137.43, 3,204.95 and 1,151.40 is: 1,726.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.43 : 3,204.95 = 1,151.40 : x
  2. Step 2: Convert to fraction form
    2,137.43/3,204.95 = 1,151.40/x
  3. Step 3: Cross multiply
    2,137.43x = 3,204.95 × 1,151.40
  4. Step 4: Simplify right side
    2,137.43x = 3,690,173.67
  5. Step 5: Solve for x
    x = 3,690,173.67/2,137.43
  6. Step 6: Final answer
    x = 1,726.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.