Home / 1,533.22-2,115.76-943.54

Finding the Fourth Proportional to 1,533.22, 2,115.76 and 943.54

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Solution

The fourth proportional to 1,533.22, 2,115.76 and 943.54 is: 1,302.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.22 : 2,115.76 = 943.54 : x
  2. Step 2: Convert to fraction form
    1,533.22/2,115.76 = 943.54/x
  3. Step 3: Cross multiply
    1,533.22x = 2,115.76 × 943.54
  4. Step 4: Simplify right side
    1,533.22x = 1,996,304.19
  5. Step 5: Solve for x
    x = 1,996,304.19/1,533.22
  6. Step 6: Final answer
    x = 1,302.03

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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.