Home / 1,630.14-2,444.18-1,242.65

Finding the Fourth Proportional to 1,630.14, 2,444.18 and 1,242.65

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Solution

The fourth proportional to 1,630.14, 2,444.18 and 1,242.65 is: 1,863.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.14 : 2,444.18 = 1,242.65 : x
  2. Step 2: Convert to fraction form
    1,630.14/2,444.18 = 1,242.65/x
  3. Step 3: Cross multiply
    1,630.14x = 2,444.18 × 1,242.65
  4. Step 4: Simplify right side
    1,630.14x = 3,037,241.84
  5. Step 5: Solve for x
    x = 3,037,241.84/1,630.14
  6. Step 6: Final answer
    x = 1,863.18

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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.