Home / 1,933.68-2,671.20-1,540.24

Finding the Fourth Proportional to 1,933.68, 2,671.20 and 1,540.24

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Solution

The fourth proportional to 1,933.68, 2,671.20 and 1,540.24 is: 2,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.68 : 2,671.20 = 1,540.24 : x
  2. Step 2: Convert to fraction form
    1,933.68/2,671.20 = 1,540.24/x
  3. Step 3: Cross multiply
    1,933.68x = 2,671.20 × 1,540.24
  4. Step 4: Simplify right side
    1,933.68x = 4,114,289.09
  5. Step 5: Solve for x
    x = 4,114,289.09/1,933.68
  6. Step 6: Final answer
    x = 2,127.70

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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.