Home / 3,672.46-5,508.69-1,075.40

Finding the Fourth Proportional to 3,672.46, 5,508.69 and 1,075.40

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Solution

The fourth proportional to 3,672.46, 5,508.69 and 1,075.40 is: 1,613.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.46 : 5,508.69 = 1,075.40 : x
  2. Step 2: Convert to fraction form
    3,672.46/5,508.69 = 1,075.40/x
  3. Step 3: Cross multiply
    3,672.46x = 5,508.69 × 1,075.40
  4. Step 4: Simplify right side
    3,672.46x = 5,924,012.31
  5. Step 5: Solve for x
    x = 5,924,012.31/3,672.46
  6. Step 6: Final answer
    x = 1,613.09

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1.5x scale

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.