Home / 1,863.46-2,795.21-630.88

Finding the Fourth Proportional to 1,863.46, 2,795.21 and 630.88

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Solution

The fourth proportional to 1,863.46, 2,795.21 and 630.88 is: 946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.46 : 2,795.21 = 630.88 : x
  2. Step 2: Convert to fraction form
    1,863.46/2,795.21 = 630.88/x
  3. Step 3: Cross multiply
    1,863.46x = 2,795.21 × 630.88
  4. Step 4: Simplify right side
    1,863.46x = 1,763,442.08
  5. Step 5: Solve for x
    x = 1,763,442.08/1,863.46
  6. Step 6: Final answer
    x = 946.33

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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.