Home / 2,114.49-2,916.75-1,327.17

Finding the Fourth Proportional to 2,114.49, 2,916.75 and 1,327.17

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Solution

The fourth proportional to 2,114.49, 2,916.75 and 1,327.17 is: 1,830.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.49 : 2,916.75 = 1,327.17 : x
  2. Step 2: Convert to fraction form
    2,114.49/2,916.75 = 1,327.17/x
  3. Step 3: Cross multiply
    2,114.49x = 2,916.75 × 1,327.17
  4. Step 4: Simplify right side
    2,114.49x = 3,871,023.10
  5. Step 5: Solve for x
    x = 3,871,023.10/2,114.49
  6. Step 6: Final answer
    x = 1,830.71

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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.