Home / 3,527.84-4,861.32-2,637.20

Finding the Fourth Proportional to 3,527.84, 4,861.32 and 2,637.20

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Solution

The fourth proportional to 3,527.84, 4,861.32 and 2,637.20 is: 3,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.84 : 4,861.32 = 2,637.20 : x
  2. Step 2: Convert to fraction form
    3,527.84/4,861.32 = 2,637.20/x
  3. Step 3: Cross multiply
    3,527.84x = 4,861.32 × 2,637.20
  4. Step 4: Simplify right side
    3,527.84x = 12,820,273.10
  5. Step 5: Solve for x
    x = 12,820,273.10/3,527.84
  6. Step 6: Final answer
    x = 3,634.03

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Half scale
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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.