Home / 1,332.81-1,839.06-801.56

Finding the Fourth Proportional to 1,332.81, 1,839.06 and 801.56

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Solution

The fourth proportional to 1,332.81, 1,839.06 and 801.56 is: 1,106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.81 : 1,839.06 = 801.56 : x
  2. Step 2: Convert to fraction form
    1,332.81/1,839.06 = 801.56/x
  3. Step 3: Cross multiply
    1,332.81x = 1,839.06 × 801.56
  4. Step 4: Simplify right side
    1,332.81x = 1,474,116.93
  5. Step 5: Solve for x
    x = 1,474,116.93/1,332.81
  6. Step 6: Final answer
    x = 1,106.03

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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.