Home / 3,075.47-4,613.66-2,781.44

Finding the Fourth Proportional to 3,075.47, 4,613.66 and 2,781.44

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Solution

The fourth proportional to 3,075.47, 4,613.66 and 2,781.44 is: 4,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.47 : 4,613.66 = 2,781.44 : x
  2. Step 2: Convert to fraction form
    3,075.47/4,613.66 = 2,781.44/x
  3. Step 3: Cross multiply
    3,075.47x = 4,613.66 × 2,781.44
  4. Step 4: Simplify right side
    3,075.47x = 12,832,609.23
  5. Step 5: Solve for x
    x = 12,832,609.23/3,075.47
  6. Step 6: Final answer
    x = 4,172.57

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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.