Home / 1,627.42-2,246.04-919.29

Finding the Fourth Proportional to 1,627.42, 2,246.04 and 919.29

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Solution

The fourth proportional to 1,627.42, 2,246.04 and 919.29 is: 1,268.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.42 : 2,246.04 = 919.29 : x
  2. Step 2: Convert to fraction form
    1,627.42/2,246.04 = 919.29/x
  3. Step 3: Cross multiply
    1,627.42x = 2,246.04 × 919.29
  4. Step 4: Simplify right side
    1,627.42x = 2,064,767.95
  5. Step 5: Solve for x
    x = 2,064,767.95/1,627.42
  6. Step 6: Final answer
    x = 1,268.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.