Home / 1,333.02-1,839.08-801.70

Finding the Fourth Proportional to 1,333.02, 1,839.08 and 801.70

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Solution

The fourth proportional to 1,333.02, 1,839.08 and 801.70 is: 1,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.02 : 1,839.08 = 801.70 : x
  2. Step 2: Convert to fraction form
    1,333.02/1,839.08 = 801.70/x
  3. Step 3: Cross multiply
    1,333.02x = 1,839.08 × 801.70
  4. Step 4: Simplify right side
    1,333.02x = 1,474,390.44
  5. Step 5: Solve for x
    x = 1,474,390.44/1,333.02
  6. Step 6: Final answer
    x = 1,106.05

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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.