Home / 3,005.43-4,508.73-1,156.40

Finding the Fourth Proportional to 3,005.43, 4,508.73 and 1,156.40

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Solution

The fourth proportional to 3,005.43, 4,508.73 and 1,156.40 is: 1,734.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.43 : 4,508.73 = 1,156.40 : x
  2. Step 2: Convert to fraction form
    3,005.43/4,508.73 = 1,156.40/x
  3. Step 3: Cross multiply
    3,005.43x = 4,508.73 × 1,156.40
  4. Step 4: Simplify right side
    3,005.43x = 5,213,872.83
  5. Step 5: Solve for x
    x = 5,213,872.83/3,005.43
  6. Step 6: Final answer
    x = 1,734.82

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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.