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Finding the Fourth Proportional to 2,018.51, 3,027.76 and 558.08

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Solution

The fourth proportional to 2,018.51, 3,027.76 and 558.08 is: 837.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.51 : 3,027.76 = 558.08 : x
  2. Step 2: Convert to fraction form
    2,018.51/3,027.76 = 558.08/x
  3. Step 3: Cross multiply
    2,018.51x = 3,027.76 × 558.08
  4. Step 4: Simplify right side
    2,018.51x = 1,689,732.30
  5. Step 5: Solve for x
    x = 1,689,732.30/2,018.51
  6. Step 6: Final answer
    x = 837.12

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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.