Home / 1,627.20-2,244.36-1,036.68

Finding the Fourth Proportional to 1,627.20, 2,244.36 and 1,036.68

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Solution

The fourth proportional to 1,627.20, 2,244.36 and 1,036.68 is: 1,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.20 : 2,244.36 = 1,036.68 : x
  2. Step 2: Convert to fraction form
    1,627.20/2,244.36 = 1,036.68/x
  3. Step 3: Cross multiply
    1,627.20x = 2,244.36 × 1,036.68
  4. Step 4: Simplify right side
    1,627.20x = 2,326,683.12
  5. Step 5: Solve for x
    x = 2,326,683.12/1,627.20
  6. Step 6: Final answer
    x = 1,429.87

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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.