Home / 2,313.48-3,190.58-1,639.95

Finding the Fourth Proportional to 2,313.48, 3,190.58 and 1,639.95

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Solution

The fourth proportional to 2,313.48, 3,190.58 and 1,639.95 is: 2,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.48 : 3,190.58 = 1,639.95 : x
  2. Step 2: Convert to fraction form
    2,313.48/3,190.58 = 1,639.95/x
  3. Step 3: Cross multiply
    2,313.48x = 3,190.58 × 1,639.95
  4. Step 4: Simplify right side
    2,313.48x = 5,232,392.70
  5. Step 5: Solve for x
    x = 5,232,392.70/2,313.48
  6. Step 6: Final answer
    x = 2,261.70

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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.