Home / 1,627.44-2,246.27-929.22

Finding the Fourth Proportional to 1,627.44, 2,246.27 and 929.22

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Solution

The fourth proportional to 1,627.44, 2,246.27 and 929.22 is: 1,282.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.44 : 2,246.27 = 929.22 : x
  2. Step 2: Convert to fraction form
    1,627.44/2,246.27 = 929.22/x
  3. Step 3: Cross multiply
    1,627.44x = 2,246.27 × 929.22
  4. Step 4: Simplify right side
    1,627.44x = 2,087,279.01
  5. Step 5: Solve for x
    x = 2,087,279.01/1,627.44
  6. Step 6: Final answer
    x = 1,282.55

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1.5x scale

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.