Home / 3,717.48-5,577.06-1,218.81

Finding the Fourth Proportional to 3,717.48, 5,577.06 and 1,218.81

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Solution

The fourth proportional to 3,717.48, 5,577.06 and 1,218.81 is: 1,828.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.48 : 5,577.06 = 1,218.81 : x
  2. Step 2: Convert to fraction form
    3,717.48/5,577.06 = 1,218.81/x
  3. Step 3: Cross multiply
    3,717.48x = 5,577.06 × 1,218.81
  4. Step 4: Simplify right side
    3,717.48x = 6,797,376.50
  5. Step 5: Solve for x
    x = 6,797,376.50/3,717.48
  6. Step 6: Final answer
    x = 1,828.49

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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.