Home / 3,687.40-5,531.41-1,054.91

Finding the Fourth Proportional to 3,687.40, 5,531.41 and 1,054.91

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Solution

The fourth proportional to 3,687.40, 5,531.41 and 1,054.91 is: 1,582.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.40 : 5,531.41 = 1,054.91 : x
  2. Step 2: Convert to fraction form
    3,687.40/5,531.41 = 1,054.91/x
  3. Step 3: Cross multiply
    3,687.40x = 5,531.41 × 1,054.91
  4. Step 4: Simplify right side
    3,687.40x = 5,835,154.87
  5. Step 5: Solve for x
    x = 5,835,154.87/3,687.40
  6. Step 6: Final answer
    x = 1,582.46

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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.