Home / 2,024.66-3,037.29-638.12

Finding the Fourth Proportional to 2,024.66, 3,037.29 and 638.12

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Solution

The fourth proportional to 2,024.66, 3,037.29 and 638.12 is: 957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,024.66 : 3,037.29 = 638.12 : x
  2. Step 2: Convert to fraction form
    2,024.66/3,037.29 = 638.12/x
  3. Step 3: Cross multiply
    2,024.66x = 3,037.29 × 638.12
  4. Step 4: Simplify right side
    2,024.66x = 1,938,155.49
  5. Step 5: Solve for x
    x = 1,938,155.49/2,024.66
  6. Step 6: Final answer
    x = 957.27

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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.