Home / 3,459.43-5,188.95-1,511.63

Finding the Fourth Proportional to 3,459.43, 5,188.95 and 1,511.63

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Solution

The fourth proportional to 3,459.43, 5,188.95 and 1,511.63 is: 2,267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.43 : 5,188.95 = 1,511.63 : x
  2. Step 2: Convert to fraction form
    3,459.43/5,188.95 = 1,511.63/x
  3. Step 3: Cross multiply
    3,459.43x = 5,188.95 × 1,511.63
  4. Step 4: Simplify right side
    3,459.43x = 7,843,772.49
  5. Step 5: Solve for x
    x = 7,843,772.49/3,459.43
  6. Step 6: Final answer
    x = 2,267.36

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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.