Home / 3,075.02-4,609.56-1,613.78

Finding the Fourth Proportional to 3,075.02, 4,609.56 and 1,613.78

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Solution

The fourth proportional to 3,075.02, 4,609.56 and 1,613.78 is: 2,419.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.02 : 4,609.56 = 1,613.78 : x
  2. Step 2: Convert to fraction form
    3,075.02/4,609.56 = 1,613.78/x
  3. Step 3: Cross multiply
    3,075.02x = 4,609.56 × 1,613.78
  4. Step 4: Simplify right side
    3,075.02x = 7,438,815.74
  5. Step 5: Solve for x
    x = 7,438,815.74/3,075.02
  6. Step 6: Final answer
    x = 2,419.11

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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.