Home / 1,627.19-2,246.54-1,253.46

Finding the Fourth Proportional to 1,627.19, 2,246.54 and 1,253.46

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Solution

The fourth proportional to 1,627.19, 2,246.54 and 1,253.46 is: 1,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.19 : 2,246.54 = 1,253.46 : x
  2. Step 2: Convert to fraction form
    1,627.19/2,246.54 = 1,253.46/x
  3. Step 3: Cross multiply
    1,627.19x = 2,246.54 × 1,253.46
  4. Step 4: Simplify right side
    1,627.19x = 2,815,948.03
  5. Step 5: Solve for x
    x = 2,815,948.03/1,627.19
  6. Step 6: Final answer
    x = 1,730.56

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Half scale
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Double scale
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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.