Home / 1,133.02-1,563.57-635.66

Finding the Fourth Proportional to 1,133.02, 1,563.57 and 635.66

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Solution

The fourth proportional to 1,133.02, 1,563.57 and 635.66 is: 877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.02 : 1,563.57 = 635.66 : x
  2. Step 2: Convert to fraction form
    1,133.02/1,563.57 = 635.66/x
  3. Step 3: Cross multiply
    1,133.02x = 1,563.57 × 635.66
  4. Step 4: Simplify right side
    1,133.02x = 993,904.40
  5. Step 5: Solve for x
    x = 993,904.40/1,133.02
  6. Step 6: Final answer
    x = 877.22

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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.