Home / 1,261.98-1,741.48-702.44

Finding the Fourth Proportional to 1,261.98, 1,741.48 and 702.44

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Solution

The fourth proportional to 1,261.98, 1,741.48 and 702.44 is: 969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261.98 : 1,741.48 = 702.44 : x
  2. Step 2: Convert to fraction form
    1,261.98/1,741.48 = 702.44/x
  3. Step 3: Cross multiply
    1,261.98x = 1,741.48 × 702.44
  4. Step 4: Simplify right side
    1,261.98x = 1,223,285.23
  5. Step 5: Solve for x
    x = 1,223,285.23/1,261.98
  6. Step 6: Final answer
    x = 969.34

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1.5x scale

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.