Home / 2,635.40-3,628.32-2,074.88

Finding the Fourth Proportional to 2,635.40, 3,628.32 and 2,074.88

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Solution

The fourth proportional to 2,635.40, 3,628.32 and 2,074.88 is: 2,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.40 : 3,628.32 = 2,074.88 : x
  2. Step 2: Convert to fraction form
    2,635.40/3,628.32 = 2,074.88/x
  3. Step 3: Cross multiply
    2,635.40x = 3,628.32 × 2,074.88
  4. Step 4: Simplify right side
    2,635.40x = 7,528,328.60
  5. Step 5: Solve for x
    x = 7,528,328.60/2,635.40
  6. Step 6: Final answer
    x = 2,856.62

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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.