Home / 2,114.95-2,918.63-1,183.45

Finding the Fourth Proportional to 2,114.95, 2,918.63 and 1,183.45

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Solution

The fourth proportional to 2,114.95, 2,918.63 and 1,183.45 is: 1,633.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.95 : 2,918.63 = 1,183.45 : x
  2. Step 2: Convert to fraction form
    2,114.95/2,918.63 = 1,183.45/x
  3. Step 3: Cross multiply
    2,114.95x = 2,918.63 × 1,183.45
  4. Step 4: Simplify right side
    2,114.95x = 3,454,052.67
  5. Step 5: Solve for x
    x = 3,454,052.67/2,114.95
  6. Step 6: Final answer
    x = 1,633.16

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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.