Home / 1,731.96-2,392.80-1,451.76

Finding the Fourth Proportional to 1,731.96, 2,392.80 and 1,451.76

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Solution

The fourth proportional to 1,731.96, 2,392.80 and 1,451.76 is: 2,005.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.96 : 2,392.80 = 1,451.76 : x
  2. Step 2: Convert to fraction form
    1,731.96/2,392.80 = 1,451.76/x
  3. Step 3: Cross multiply
    1,731.96x = 2,392.80 × 1,451.76
  4. Step 4: Simplify right side
    1,731.96x = 3,473,771.33
  5. Step 5: Solve for x
    x = 3,473,771.33/1,731.96
  6. Step 6: Final answer
    x = 2,005.69

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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.