Home / 3,581.84-5,370.75-1,240.53

Finding the Fourth Proportional to 3,581.84, 5,370.75 and 1,240.53

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Solution

The fourth proportional to 3,581.84, 5,370.75 and 1,240.53 is: 1,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.84 : 5,370.75 = 1,240.53 : x
  2. Step 2: Convert to fraction form
    3,581.84/5,370.75 = 1,240.53/x
  3. Step 3: Cross multiply
    3,581.84x = 5,370.75 × 1,240.53
  4. Step 4: Simplify right side
    3,581.84x = 6,662,576.50
  5. Step 5: Solve for x
    x = 6,662,576.50/3,581.84
  6. Step 6: Final answer
    x = 1,860.10

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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.