Home / 3,677.40-5,075.34-2,261.31

Finding the Fourth Proportional to 3,677.40, 5,075.34 and 2,261.31

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Solution

The fourth proportional to 3,677.40, 5,075.34 and 2,261.31 is: 3,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.40 : 5,075.34 = 2,261.31 : x
  2. Step 2: Convert to fraction form
    3,677.40/5,075.34 = 2,261.31/x
  3. Step 3: Cross multiply
    3,677.40x = 5,075.34 × 2,261.31
  4. Step 4: Simplify right side
    3,677.40x = 11,476,917.10
  5. Step 5: Solve for x
    x = 11,476,917.10/3,677.40
  6. Step 6: Final answer
    x = 3,120.93

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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.