Home / 3,727.84-5,588.96-1,261.12

Finding the Fourth Proportional to 3,727.84, 5,588.96 and 1,261.12

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Solution

The fourth proportional to 3,727.84, 5,588.96 and 1,261.12 is: 1,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.84 : 5,588.96 = 1,261.12 : x
  2. Step 2: Convert to fraction form
    3,727.84/5,588.96 = 1,261.12/x
  3. Step 3: Cross multiply
    3,727.84x = 5,588.96 × 1,261.12
  4. Step 4: Simplify right side
    3,727.84x = 7,048,349.24
  5. Step 5: Solve for x
    x = 7,048,349.24/3,727.84
  6. Step 6: Final answer
    x = 1,890.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.