Home / 3,415.34-5,127.06-2,874.26

Finding the Fourth Proportional to 3,415.34, 5,127.06 and 2,874.26

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Solution

The fourth proportional to 3,415.34, 5,127.06 and 2,874.26 is: 4,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.34 : 5,127.06 = 2,874.26 : x
  2. Step 2: Convert to fraction form
    3,415.34/5,127.06 = 2,874.26/x
  3. Step 3: Cross multiply
    3,415.34x = 5,127.06 × 2,874.26
  4. Step 4: Simplify right side
    3,415.34x = 14,736,503.48
  5. Step 5: Solve for x
    x = 14,736,503.48/3,415.34
  6. Step 6: Final answer
    x = 4,314.80

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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.