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Finding the Fourth Proportional to 3,000.91, 4,502.30 and 1,026.59

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Solution

The fourth proportional to 3,000.91, 4,502.30 and 1,026.59 is: 1,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.91 : 4,502.30 = 1,026.59 : x
  2. Step 2: Convert to fraction form
    3,000.91/4,502.30 = 1,026.59/x
  3. Step 3: Cross multiply
    3,000.91x = 4,502.30 × 1,026.59
  4. Step 4: Simplify right side
    3,000.91x = 4,622,022.28
  5. Step 5: Solve for x
    x = 4,622,022.28/3,000.91
  6. Step 6: Final answer
    x = 1,540.21

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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.