Home / 2,133.36-2,942.79-1,470.17

Finding the Fourth Proportional to 2,133.36, 2,942.79 and 1,470.17

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Solution

The fourth proportional to 2,133.36, 2,942.79 and 1,470.17 is: 2,027.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.36 : 2,942.79 = 1,470.17 : x
  2. Step 2: Convert to fraction form
    2,133.36/2,942.79 = 1,470.17/x
  3. Step 3: Cross multiply
    2,133.36x = 2,942.79 × 1,470.17
  4. Step 4: Simplify right side
    2,133.36x = 4,326,401.57
  5. Step 5: Solve for x
    x = 4,326,401.57/2,133.36
  6. Step 6: Final answer
    x = 2,027.98

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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.