Home / 2,133.42-2,943.08-1,325.95

Finding the Fourth Proportional to 2,133.42, 2,943.08 and 1,325.95

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Solution

The fourth proportional to 2,133.42, 2,943.08 and 1,325.95 is: 1,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.42 : 2,943.08 = 1,325.95 : x
  2. Step 2: Convert to fraction form
    2,133.42/2,943.08 = 1,325.95/x
  3. Step 3: Cross multiply
    2,133.42x = 2,943.08 × 1,325.95
  4. Step 4: Simplify right side
    2,133.42x = 3,902,391.92
  5. Step 5: Solve for x
    x = 3,902,391.92/2,133.42
  6. Step 6: Final answer
    x = 1,829.17

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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.