Home / 2,076.45-2,865.81-1,332.17

Finding the Fourth Proportional to 2,076.45, 2,865.81 and 1,332.17

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Solution

The fourth proportional to 2,076.45, 2,865.81 and 1,332.17 is: 1,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.45 : 2,865.81 = 1,332.17 : x
  2. Step 2: Convert to fraction form
    2,076.45/2,865.81 = 1,332.17/x
  3. Step 3: Cross multiply
    2,076.45x = 2,865.81 × 1,332.17
  4. Step 4: Simplify right side
    2,076.45x = 3,817,746.11
  5. Step 5: Solve for x
    x = 3,817,746.11/2,076.45
  6. Step 6: Final answer
    x = 1,838.59

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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.