Home / 3,555.21-5,330.54-1,476.65

Finding the Fourth Proportional to 3,555.21, 5,330.54 and 1,476.65

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Solution

The fourth proportional to 3,555.21, 5,330.54 and 1,476.65 is: 2,214.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.21 : 5,330.54 = 1,476.65 : x
  2. Step 2: Convert to fraction form
    3,555.21/5,330.54 = 1,476.65/x
  3. Step 3: Cross multiply
    3,555.21x = 5,330.54 × 1,476.65
  4. Step 4: Simplify right side
    3,555.21x = 7,871,358.91
  5. Step 5: Solve for x
    x = 7,871,358.91/3,555.21
  6. Step 6: Final answer
    x = 2,214.03

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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.