Home / 2,631.64-3,630.35-1,722.62

Finding the Fourth Proportional to 2,631.64, 3,630.35 and 1,722.62

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Solution

The fourth proportional to 2,631.64, 3,630.35 and 1,722.62 is: 2,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.64 : 3,630.35 = 1,722.62 : x
  2. Step 2: Convert to fraction form
    2,631.64/3,630.35 = 1,722.62/x
  3. Step 3: Cross multiply
    2,631.64x = 3,630.35 × 1,722.62
  4. Step 4: Simplify right side
    2,631.64x = 6,253,695.37
  5. Step 5: Solve for x
    x = 6,253,695.37/2,631.64
  6. Step 6: Final answer
    x = 2,376.35

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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.