Home / 3,638.58-5,452.65-2,075.34

Finding the Fourth Proportional to 3,638.58, 5,452.65 and 2,075.34

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Solution

The fourth proportional to 3,638.58, 5,452.65 and 2,075.34 is: 3,110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.58 : 5,452.65 = 2,075.34 : x
  2. Step 2: Convert to fraction form
    3,638.58/5,452.65 = 2,075.34/x
  3. Step 3: Cross multiply
    3,638.58x = 5,452.65 × 2,075.34
  4. Step 4: Simplify right side
    3,638.58x = 11,316,123.10
  5. Step 5: Solve for x
    x = 11,316,123.10/3,638.58
  6. Step 6: Final answer
    x = 3,110.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.