Home / 3,720.84-5,577.36-1,254.81

Finding the Fourth Proportional to 3,720.84, 5,577.36 and 1,254.81

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Solution

The fourth proportional to 3,720.84, 5,577.36 and 1,254.81 is: 1,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.84 : 5,577.36 = 1,254.81 : x
  2. Step 2: Convert to fraction form
    3,720.84/5,577.36 = 1,254.81/x
  3. Step 3: Cross multiply
    3,720.84x = 5,577.36 × 1,254.81
  4. Step 4: Simplify right side
    3,720.84x = 6,998,492.94
  5. Step 5: Solve for x
    x = 6,998,492.94/3,720.84
  6. Step 6: Final answer
    x = 1,880.89

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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.