Home / 2,630.57-3,627.65-1,685.30

Finding the Fourth Proportional to 2,630.57, 3,627.65 and 1,685.30

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Solution

The fourth proportional to 2,630.57, 3,627.65 and 1,685.30 is: 2,324.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.57 : 3,627.65 = 1,685.30 : x
  2. Step 2: Convert to fraction form
    2,630.57/3,627.65 = 1,685.30/x
  3. Step 3: Cross multiply
    2,630.57x = 3,627.65 × 1,685.30
  4. Step 4: Simplify right side
    2,630.57x = 6,113,664.62
  5. Step 5: Solve for x
    x = 6,113,664.62/2,630.57
  6. Step 6: Final answer
    x = 2,324.09

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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.