Home / 2,679.04-3,696.60-1,630.72

Finding the Fourth Proportional to 2,679.04, 3,696.60 and 1,630.72

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Solution

The fourth proportional to 2,679.04, 3,696.60 and 1,630.72 is: 2,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.04 : 3,696.60 = 1,630.72 : x
  2. Step 2: Convert to fraction form
    2,679.04/3,696.60 = 1,630.72/x
  3. Step 3: Cross multiply
    2,679.04x = 3,696.60 × 1,630.72
  4. Step 4: Simplify right side
    2,679.04x = 6,028,119.55
  5. Step 5: Solve for x
    x = 6,028,119.55/2,679.04
  6. Step 6: Final answer
    x = 2,250.10

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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.