Home / 1,568.83-2,160.05-1,332.28

Finding the Fourth Proportional to 1,568.83, 2,160.05 and 1,332.28

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Solution

The fourth proportional to 1,568.83, 2,160.05 and 1,332.28 is: 1,834.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.83 : 2,160.05 = 1,332.28 : x
  2. Step 2: Convert to fraction form
    1,568.83/2,160.05 = 1,332.28/x
  3. Step 3: Cross multiply
    1,568.83x = 2,160.05 × 1,332.28
  4. Step 4: Simplify right side
    1,568.83x = 2,877,791.41
  5. Step 5: Solve for x
    x = 2,877,791.41/1,568.83
  6. Step 6: Final answer
    x = 1,834.36

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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.