Home / 2,084.35-3,126.45-623.47

Finding the Fourth Proportional to 2,084.35, 3,126.45 and 623.47

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Solution

The fourth proportional to 2,084.35, 3,126.45 and 623.47 is: 935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.35 : 3,126.45 = 623.47 : x
  2. Step 2: Convert to fraction form
    2,084.35/3,126.45 = 623.47/x
  3. Step 3: Cross multiply
    2,084.35x = 3,126.45 × 623.47
  4. Step 4: Simplify right side
    2,084.35x = 1,949,247.78
  5. Step 5: Solve for x
    x = 1,949,247.78/2,084.35
  6. Step 6: Final answer
    x = 935.18

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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.