Home / 1,359.02-2,021.27-1,332.87

Finding the Fourth Proportional to 1,359.02, 2,021.27 and 1,332.87

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Solution

The fourth proportional to 1,359.02, 2,021.27 and 1,332.87 is: 1,982.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359.02 : 2,021.27 = 1,332.87 : x
  2. Step 2: Convert to fraction form
    1,359.02/2,021.27 = 1,332.87/x
  3. Step 3: Cross multiply
    1,359.02x = 2,021.27 × 1,332.87
  4. Step 4: Simplify right side
    1,359.02x = 2,694,093.41
  5. Step 5: Solve for x
    x = 2,694,093.41/1,359.02
  6. Step 6: Final answer
    x = 1,982.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.