Home / 2,024.50-3,037.15-638.05

Finding the Fourth Proportional to 2,024.50, 3,037.15 and 638.05

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Solution

The fourth proportional to 2,024.50, 3,037.15 and 638.05 is: 957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,024.50 : 3,037.15 = 638.05 : x
  2. Step 2: Convert to fraction form
    2,024.50/3,037.15 = 638.05/x
  3. Step 3: Cross multiply
    2,024.50x = 3,037.15 × 638.05
  4. Step 4: Simplify right side
    2,024.50x = 1,937,838.37
  5. Step 5: Solve for x
    x = 1,937,838.37/2,024.50
  6. Step 6: Final answer
    x = 957.20

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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.