Home / 2,347.56-3,237.82-1,639.17

Finding the Fourth Proportional to 2,347.56, 3,237.82 and 1,639.17

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Solution

The fourth proportional to 2,347.56, 3,237.82 and 1,639.17 is: 2,260.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.56 : 3,237.82 = 1,639.17 : x
  2. Step 2: Convert to fraction form
    2,347.56/3,237.82 = 1,639.17/x
  3. Step 3: Cross multiply
    2,347.56x = 3,237.82 × 1,639.17
  4. Step 4: Simplify right side
    2,347.56x = 5,307,313.02
  5. Step 5: Solve for x
    x = 5,307,313.02/2,347.56
  6. Step 6: Final answer
    x = 2,260.78

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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.