Home / 2,048.45-3,072.68-623.70

Finding the Fourth Proportional to 2,048.45, 3,072.68 and 623.70

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Solution

The fourth proportional to 2,048.45, 3,072.68 and 623.70 is: 935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.45 : 3,072.68 = 623.70 : x
  2. Step 2: Convert to fraction form
    2,048.45/3,072.68 = 623.70/x
  3. Step 3: Cross multiply
    2,048.45x = 3,072.68 × 623.70
  4. Step 4: Simplify right side
    2,048.45x = 1,916,430.52
  5. Step 5: Solve for x
    x = 1,916,430.52/2,048.45
  6. Step 6: Final answer
    x = 935.55

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Similar ratio
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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.