Home / 3,727.31-5,590.61-1,261.84

Finding the Fourth Proportional to 3,727.31, 5,590.61 and 1,261.84

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Solution

The fourth proportional to 3,727.31, 5,590.61 and 1,261.84 is: 1,892.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.31 : 5,590.61 = 1,261.84 : x
  2. Step 2: Convert to fraction form
    3,727.31/5,590.61 = 1,261.84/x
  3. Step 3: Cross multiply
    3,727.31x = 5,590.61 × 1,261.84
  4. Step 4: Simplify right side
    3,727.31x = 7,054,444.50
  5. Step 5: Solve for x
    x = 7,054,444.50/3,727.31
  6. Step 6: Final answer
    x = 1,892.64

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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.