Home / 2,042.10-3,063.15-655.45

Finding the Fourth Proportional to 2,042.10, 3,063.15 and 655.45

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Solution

The fourth proportional to 2,042.10, 3,063.15 and 655.45 is: 983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.10 : 3,063.15 = 655.45 : x
  2. Step 2: Convert to fraction form
    2,042.10/3,063.15 = 655.45/x
  3. Step 3: Cross multiply
    2,042.10x = 3,063.15 × 655.45
  4. Step 4: Simplify right side
    2,042.10x = 2,007,734.01
  5. Step 5: Solve for x
    x = 2,007,734.01/2,042.10
  6. Step 6: Final answer
    x = 983.17

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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.