Home / 2,495.16-3,742.73-1,947.80

Finding the Fourth Proportional to 2,495.16, 3,742.73 and 1,947.80

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Solution

The fourth proportional to 2,495.16, 3,742.73 and 1,947.80 is: 2,921.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.16 : 3,742.73 = 1,947.80 : x
  2. Step 2: Convert to fraction form
    2,495.16/3,742.73 = 1,947.80/x
  3. Step 3: Cross multiply
    2,495.16x = 3,742.73 × 1,947.80
  4. Step 4: Simplify right side
    2,495.16x = 7,290,089.49
  5. Step 5: Solve for x
    x = 7,290,089.49/2,495.16
  6. Step 6: Final answer
    x = 2,921.69

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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.