Home / 3,759.18-5,188.02-2,187.24

Finding the Fourth Proportional to 3,759.18, 5,188.02 and 2,187.24

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Solution

The fourth proportional to 3,759.18, 5,188.02 and 2,187.24 is: 3,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.18 : 5,188.02 = 2,187.24 : x
  2. Step 2: Convert to fraction form
    3,759.18/5,188.02 = 2,187.24/x
  3. Step 3: Cross multiply
    3,759.18x = 5,188.02 × 2,187.24
  4. Step 4: Simplify right side
    3,759.18x = 11,347,444.86
  5. Step 5: Solve for x
    x = 11,347,444.86/3,759.18
  6. Step 6: Final answer
    x = 3,018.60

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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.