Home / 2,018.06-3,027.23-631.52

Finding the Fourth Proportional to 2,018.06, 3,027.23 and 631.52

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Solution

The fourth proportional to 2,018.06, 3,027.23 and 631.52 is: 947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.06 : 3,027.23 = 631.52 : x
  2. Step 2: Convert to fraction form
    2,018.06/3,027.23 = 631.52/x
  3. Step 3: Cross multiply
    2,018.06x = 3,027.23 × 631.52
  4. Step 4: Simplify right side
    2,018.06x = 1,911,756.29
  5. Step 5: Solve for x
    x = 1,911,756.29/2,018.06
  6. Step 6: Final answer
    x = 947.32

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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.