Home / 1,520.11-2,095.23-1,204.80

Finding the Fourth Proportional to 1,520.11, 2,095.23 and 1,204.80

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Solution

The fourth proportional to 1,520.11, 2,095.23 and 1,204.80 is: 1,660.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520.11 : 2,095.23 = 1,204.80 : x
  2. Step 2: Convert to fraction form
    1,520.11/2,095.23 = 1,204.80/x
  3. Step 3: Cross multiply
    1,520.11x = 2,095.23 × 1,204.80
  4. Step 4: Simplify right side
    1,520.11x = 2,524,333.10
  5. Step 5: Solve for x
    x = 2,524,333.10/1,520.11
  6. Step 6: Final answer
    x = 1,660.63

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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.