Home / 3,762.90-5,190.52-2,418.06

Finding the Fourth Proportional to 3,762.90, 5,190.52 and 2,418.06

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Solution

The fourth proportional to 3,762.90, 5,190.52 and 2,418.06 is: 3,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.90 : 5,190.52 = 2,418.06 : x
  2. Step 2: Convert to fraction form
    3,762.90/5,190.52 = 2,418.06/x
  3. Step 3: Cross multiply
    3,762.90x = 5,190.52 × 2,418.06
  4. Step 4: Simplify right side
    3,762.90x = 12,550,988.79
  5. Step 5: Solve for x
    x = 12,550,988.79/3,762.90
  6. Step 6: Final answer
    x = 3,335.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.