Home / 2,636.28-3,639.60-1,588.68

Finding the Fourth Proportional to 2,636.28, 3,639.60 and 1,588.68

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Solution

The fourth proportional to 2,636.28, 3,639.60 and 1,588.68 is: 2,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.28 : 3,639.60 = 1,588.68 : x
  2. Step 2: Convert to fraction form
    2,636.28/3,639.60 = 1,588.68/x
  3. Step 3: Cross multiply
    2,636.28x = 3,639.60 × 1,588.68
  4. Step 4: Simplify right side
    2,636.28x = 5,782,159.73
  5. Step 5: Solve for x
    x = 5,782,159.73/2,636.28
  6. Step 6: Final answer
    x = 2,193.30

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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.