Home / 2,635.96-3,639.20-1,753.60

Finding the Fourth Proportional to 2,635.96, 3,639.20 and 1,753.60

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Solution

The fourth proportional to 2,635.96, 3,639.20 and 1,753.60 is: 2,421.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.96 : 3,639.20 = 1,753.60 : x
  2. Step 2: Convert to fraction form
    2,635.96/3,639.20 = 1,753.60/x
  3. Step 3: Cross multiply
    2,635.96x = 3,639.20 × 1,753.60
  4. Step 4: Simplify right side
    2,635.96x = 6,381,701.12
  5. Step 5: Solve for x
    x = 6,381,701.12/2,635.96
  6. Step 6: Final answer
    x = 2,421.02

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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.