Home / 3,387.37-5,077.95-1,512.28

Finding the Fourth Proportional to 3,387.37, 5,077.95 and 1,512.28

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Solution

The fourth proportional to 3,387.37, 5,077.95 and 1,512.28 is: 2,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.37 : 5,077.95 = 1,512.28 : x
  2. Step 2: Convert to fraction form
    3,387.37/5,077.95 = 1,512.28/x
  3. Step 3: Cross multiply
    3,387.37x = 5,077.95 × 1,512.28
  4. Step 4: Simplify right side
    3,387.37x = 7,679,282.23
  5. Step 5: Solve for x
    x = 7,679,282.23/3,387.37
  6. Step 6: Final answer
    x = 2,267.03

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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.