Home / 3,518.06-5,261.54-3,130.80

Finding the Fourth Proportional to 3,518.06, 5,261.54 and 3,130.80

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Solution

The fourth proportional to 3,518.06, 5,261.54 and 3,130.80 is: 4,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.06 : 5,261.54 = 3,130.80 : x
  2. Step 2: Convert to fraction form
    3,518.06/5,261.54 = 3,130.80/x
  3. Step 3: Cross multiply
    3,518.06x = 5,261.54 × 3,130.80
  4. Step 4: Simplify right side
    3,518.06x = 16,472,829.43
  5. Step 5: Solve for x
    x = 16,472,829.43/3,518.06
  6. Step 6: Final answer
    x = 4,682.36

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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.