Home / 3,005.72-4,508.58-1,057.94

Finding the Fourth Proportional to 3,005.72, 4,508.58 and 1,057.94

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Solution

The fourth proportional to 3,005.72, 4,508.58 and 1,057.94 is: 1,586.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.72 : 4,508.58 = 1,057.94 : x
  2. Step 2: Convert to fraction form
    3,005.72/4,508.58 = 1,057.94/x
  3. Step 3: Cross multiply
    3,005.72x = 4,508.58 × 1,057.94
  4. Step 4: Simplify right side
    3,005.72x = 4,769,807.13
  5. Step 5: Solve for x
    x = 4,769,807.13/3,005.72
  6. Step 6: Final answer
    x = 1,586.91

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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.