Home / 1,887.83-2,605.52-1,102.26

Finding the Fourth Proportional to 1,887.83, 2,605.52 and 1,102.26

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Solution

The fourth proportional to 1,887.83, 2,605.52 and 1,102.26 is: 1,521.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.83 : 2,605.52 = 1,102.26 : x
  2. Step 2: Convert to fraction form
    1,887.83/2,605.52 = 1,102.26/x
  3. Step 3: Cross multiply
    1,887.83x = 2,605.52 × 1,102.26
  4. Step 4: Simplify right side
    1,887.83x = 2,871,963.23
  5. Step 5: Solve for x
    x = 2,871,963.23/1,887.83
  6. Step 6: Final answer
    x = 1,521.31

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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.