Home / 3,476.21-5,214.18-1,284.89

Finding the Fourth Proportional to 3,476.21, 5,214.18 and 1,284.89

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Solution

The fourth proportional to 3,476.21, 5,214.18 and 1,284.89 is: 1,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.21 : 5,214.18 = 1,284.89 : x
  2. Step 2: Convert to fraction form
    3,476.21/5,214.18 = 1,284.89/x
  3. Step 3: Cross multiply
    3,476.21x = 5,214.18 × 1,284.89
  4. Step 4: Simplify right side
    3,476.21x = 6,699,647.74
  5. Step 5: Solve for x
    x = 6,699,647.74/3,476.21
  6. Step 6: Final answer
    x = 1,927.29

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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.