Home / 2,313.01-3,190.54-2,018.98

Finding the Fourth Proportional to 2,313.01, 3,190.54 and 2,018.98

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Solution

The fourth proportional to 2,313.01, 3,190.54 and 2,018.98 is: 2,784.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.01 : 3,190.54 = 2,018.98 : x
  2. Step 2: Convert to fraction form
    2,313.01/3,190.54 = 2,018.98/x
  3. Step 3: Cross multiply
    2,313.01x = 3,190.54 × 2,018.98
  4. Step 4: Simplify right side
    2,313.01x = 6,441,610.40
  5. Step 5: Solve for x
    x = 6,441,610.40/2,313.01
  6. Step 6: Final answer
    x = 2,784.95

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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.